Hi,

we've been there a couple of months ago.

Since my attempts of flushing the cache objects didn't complete, I experimented a bit. I gradually decreased the target bytes of the cache which then caused automatic flushing of most of the remaining data objects. But all the header objects were still in the cache (and the number of object_map objects increased). So at that point we shut down all VMs to safely remove the cache tier.

By simply removing the cache without a proper flush, you're risking permanent data loss.

Regards,
Eugen

Zitat von Vishnu Bhaskar <vishn...@acceleronlabs.com>:

Hi,
I was attempting to increase the cache pool's PG value. When I used the
command `ceph osd pool set volumes_cache 64`, I encountered the error
"Error EPERM: splits in cache pools must be followed by scrubs and leave
sufficient free space to avoid overfilling. use --yes-i-really-mean-it to
force."

To address this, I decided to remove the cache from the volumes pool and
followed these steps:

1. Set the cache mode to `readproxy`:
`ceph osd tier cache-mode volumes_cache readproxy`

2. Started flushing dirty objects:
`rados -p volumes_cache cache-flush-evict-all`
I stopped this flush prematurely due to the large number of dirty objects.

3. Removed the overlay from the base pool:
`ceph osd tier remove-overlay volumes`

4. Resumed flushing the remaining objects in the cache pool:
`rados -p volumes_cache cache-flush-evict-all`

Error occurred while flushing:

        rbd_data.f2804088f4e54a.000000000001cb71
failed to flush /rbd_data.f2804088f4e54a.000000000001cb71: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008b4
failed to flush /rbd_data.f2804088f4e54a.00000000000008b4: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000027
failed to flush /rbd_data.f2804088f4e54a.0000000000000027: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000061
failed to flush /rbd_data.f2804088f4e54a.0000000000000061: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ede6
failed to flush /rbd_data.f2804088f4e54a.000000000001ede6: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004dd
failed to flush /rbd_data.f2804088f4e54a.00000000000004dd: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ebd6
failed to flush /rbd_data.f2804088f4e54a.000000000001ebd6: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000000e7
failed to flush /rbd_data.f2804088f4e54a.00000000000000e7: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000436c
failed to flush /rbd_data.5f35353775dd58.000000000000436c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eace
failed to flush /rbd_data.f2804088f4e54a.000000000001eace: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000003e7d
failed to flush /rbd_data.5f35353775dd58.0000000000003e7d: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb6a
failed to flush /rbd_data.f2804088f4e54a.000000000001eb6a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000663
failed to flush /rbd_data.f2804088f4e54a.0000000000000663: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000326
failed to flush /rbd_data.5f35353775dd58.0000000000000326: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000031d
failed to flush /rbd_data.5f35353775dd58.000000000000031d: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000edd
failed to flush /rbd_data.f2804088f4e54a.0000000000000edd: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ef09
failed to flush /rbd_data.f2804088f4e54a.000000000001ef09: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eef1
failed to flush /rbd_data.f2804088f4e54a.000000000001eef1: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000983
failed to flush /rbd_data.f2804088f4e54a.0000000000000983: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001c05c
failed to flush /rbd_data.5f35353775dd58.000000000001c05c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ec9f
failed to flush /rbd_data.f2804088f4e54a.000000000001ec9f: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000002
failed to flush /rbd_data.f2804088f4e54a.0000000000000002: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000014726
failed to flush /rbd_data.f2804088f4e54a.0000000000014726: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000031e
failed to flush /rbd_data.f2804088f4e54a.000000000000031e: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000007f4
failed to flush /rbd_data.f2804088f4e54a.00000000000007f4: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001a7c5
failed to flush /rbd_data.5f35353775dd58.000000000001a7c5: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000658
failed to flush /rbd_data.f2804088f4e54a.0000000000000658: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000007f38
failed to flush /rbd_data.5f35353775dd58.0000000000007f38: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000081e
failed to flush /rbd_data.f2804088f4e54a.000000000000081e: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000495
failed to flush /rbd_data.f2804088f4e54a.0000000000000495: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000000
failed to flush /rbd_data.f2804088f4e54a.0000000000000000: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000002159
failed to flush /rbd_data.5f35353775dd58.0000000000002159: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000fdb1
failed to flush /rbd_data.5f35353775dd58.000000000000fdb1: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000101
failed to flush /rbd_data.f2804088f4e54a.0000000000000101: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000e6f4
failed to flush /rbd_data.5f35353775dd58.000000000000e6f4: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000fa6
failed to flush /rbd_data.f2804088f4e54a.0000000000000fa6: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000bf6c
failed to flush /rbd_data.5f35353775dd58.000000000000bf6c: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000093cc
failed to flush /rbd_data.5f35353775dd58.00000000000093cc: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000021a0
failed to flush /rbd_data.5f35353775dd58.00000000000021a0: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb6c
failed to flush /rbd_data.f2804088f4e54a.000000000001eb6c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000125d6
failed to flush /rbd_data.f2804088f4e54a.00000000000125d6: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000153
failed to flush /rbd_data.f2804088f4e54a.0000000000000153: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001627a
failed to flush /rbd_data.5f35353775dd58.000000000001627a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000024
failed to flush /rbd_data.f2804088f4e54a.0000000000000024: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000825
failed to flush /rbd_data.f2804088f4e54a.0000000000000825: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000021dc
failed to flush /rbd_data.5f35353775dd58.00000000000021dc: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000000c
failed to flush /rbd_data.f2804088f4e54a.000000000000000c: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000009454
failed to flush /rbd_data.5f35353775dd58.0000000000009454: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000314
failed to flush /rbd_data.f2804088f4e54a.0000000000000314: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000f98
failed to flush /rbd_data.f2804088f4e54a.0000000000000f98: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000002fe
failed to flush /rbd_data.5f35353775dd58.00000000000002fe: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000002f
failed to flush /rbd_data.f2804088f4e54a.000000000000002f: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000030
failed to flush /rbd_data.f2804088f4e54a.0000000000000030: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000c3d
failed to flush /rbd_data.f2804088f4e54a.0000000000000c3d: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000049
failed to flush /rbd_data.f2804088f4e54a.0000000000000049: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ecdc
failed to flush /rbd_data.f2804088f4e54a.000000000001ecdc: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000032d
failed to flush /rbd_data.f2804088f4e54a.000000000000032d: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000666
failed to flush /rbd_data.f2804088f4e54a.0000000000000666: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000031
failed to flush /rbd_data.f2804088f4e54a.0000000000000031: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000053
failed to flush /rbd_data.f2804088f4e54a.0000000000000053: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000326
failed to flush /rbd_data.f2804088f4e54a.0000000000000326: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000100
failed to flush /rbd_data.f2804088f4e54a.0000000000000100: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001b3dd
failed to flush /rbd_data.f2804088f4e54a.000000000001b3dd: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000011395
failed to flush /rbd_data.5f35353775dd58.0000000000011395: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000002fd
failed to flush /rbd_data.5f35353775dd58.00000000000002fd: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008b2
failed to flush /rbd_data.f2804088f4e54a.00000000000008b2: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000300
failed to flush /rbd_data.5f35353775dd58.0000000000000300: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000002ff
failed to flush /rbd_data.5f35353775dd58.00000000000002ff: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001ed9e
failed to flush /rbd_data.5f35353775dd58.000000000001ed9e: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000878
failed to flush /rbd_data.f2804088f4e54a.0000000000000878: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000316
failed to flush /rbd_data.f2804088f4e54a.0000000000000316: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008b3
failed to flush /rbd_data.f2804088f4e54a.00000000000008b3: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000308
failed to flush /rbd_data.5f35353775dd58.0000000000000308: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb70
failed to flush /rbd_data.f2804088f4e54a.000000000001eb70: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000086d
failed to flush /rbd_data.f2804088f4e54a.000000000000086d: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000013b1f
failed to flush /rbd_data.5f35353775dd58.0000000000013b1f: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000325
failed to flush /rbd_data.5f35353775dd58.0000000000000325: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb2f
failed to flush /rbd_data.f2804088f4e54a.000000000001eb2f: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001b413
failed to flush /rbd_data.f2804088f4e54a.000000000001b413: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000079b
failed to flush /rbd_data.f2804088f4e54a.000000000000079b: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000309
failed to flush /rbd_data.5f35353775dd58.0000000000000309: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001edc6
failed to flush /rbd_data.5f35353775dd58.000000000001edc6: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000104bd
failed to flush /rbd_data.5f35353775dd58.00000000000104bd: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb2a
failed to flush /rbd_data.f2804088f4e54a.000000000001eb2a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ec77
failed to flush /rbd_data.f2804088f4e54a.000000000001ec77: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000001a
failed to flush /rbd_data.f2804088f4e54a.000000000000001a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000e5d
failed to flush /rbd_data.f2804088f4e54a.0000000000000e5d: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000e56
failed to flush /rbd_data.f2804088f4e54a.0000000000000e56: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000000a7
failed to flush /rbd_data.5f35353775dd58.00000000000000a7: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000d3e
failed to flush /rbd_data.f2804088f4e54a.0000000000000d3e: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000f5cb
failed to flush /rbd_data.5f35353775dd58.000000000000f5cb: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eda7
failed to flush /rbd_data.f2804088f4e54a.000000000001eda7: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000317
failed to flush /rbd_data.f2804088f4e54a.0000000000000317: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb14
failed to flush /rbd_data.f2804088f4e54a.000000000001eb14: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000010c
failed to flush /rbd_data.f2804088f4e54a.000000000000010c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000331
failed to flush /rbd_data.f2804088f4e54a.0000000000000331: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000659
failed to flush /rbd_data.f2804088f4e54a.0000000000000659: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000070
failed to flush /rbd_data.f2804088f4e54a.0000000000000070: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000303
failed to flush /rbd_data.5f35353775dd58.0000000000000303: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000063
failed to flush /rbd_data.f2804088f4e54a.0000000000000063: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000306
failed to flush /rbd_data.5f35353775dd58.0000000000000306: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ecdb
failed to flush /rbd_data.f2804088f4e54a.000000000001ecdb: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb34
failed to flush /rbd_data.f2804088f4e54a.000000000001eb34: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000063c
failed to flush /rbd_data.f2804088f4e54a.000000000000063c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000876
failed to flush /rbd_data.f2804088f4e54a.0000000000000876: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000009453
failed to flush /rbd_data.5f35353775dd58.0000000000009453: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008ad
failed to flush /rbd_data.f2804088f4e54a.00000000000008ad: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000672
failed to flush /rbd_data.f2804088f4e54a.0000000000000672: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ede8
failed to flush /rbd_data.f2804088f4e54a.000000000001ede8: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000f5f8
failed to flush /rbd_data.5f35353775dd58.000000000000f5f8: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001efde
failed to flush /rbd_data.f2804088f4e54a.000000000001efde: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000edc
failed to flush /rbd_data.f2804088f4e54a.0000000000000edc: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000bf45
failed to flush /rbd_data.5f35353775dd58.000000000000bf45: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000002fc
failed to flush /rbd_data.5f35353775dd58.00000000000002fc: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ec9d
failed to flush /rbd_data.f2804088f4e54a.000000000001ec9d: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ec17
failed to flush /rbd_data.f2804088f4e54a.000000000001ec17: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000000b1
failed to flush /rbd_data.f2804088f4e54a.00000000000000b1: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000f21d
failed to flush /rbd_data.5f35353775dd58.000000000000f21d: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004bc
failed to flush /rbd_data.f2804088f4e54a.00000000000004bc: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000030a
failed to flush /rbd_data.5f35353775dd58.000000000000030a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ee03
failed to flush /rbd_data.f2804088f4e54a.000000000001ee03: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000006110
failed to flush /rbd_data.5f35353775dd58.0000000000006110: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000074d3
failed to flush /rbd_data.5f35353775dd58.00000000000074d3: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000618f
failed to flush /rbd_data.5f35353775dd58.000000000000618f: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000013aef
failed to flush /rbd_data.5f35353775dd58.0000000000013aef: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000318
failed to flush /rbd_data.f2804088f4e54a.0000000000000318: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000009db
failed to flush /rbd_data.f2804088f4e54a.00000000000009db: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000ede
failed to flush /rbd_data.f2804088f4e54a.0000000000000ede: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000030b
failed to flush /rbd_data.5f35353775dd58.000000000000030b: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000011369
failed to flush /rbd_data.5f35353775dd58.0000000000011369: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000018044
failed to flush /rbd_data.5f35353775dd58.0000000000018044: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000330
failed to flush /rbd_data.f2804088f4e54a.0000000000000330: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000110
failed to flush /rbd_data.f2804088f4e54a.0000000000000110: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000492
failed to flush /rbd_data.f2804088f4e54a.0000000000000492: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000307
failed to flush /rbd_data.5f35353775dd58.0000000000000307: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb6b
failed to flush /rbd_data.f2804088f4e54a.000000000001eb6b: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000018c
failed to flush /rbd_data.f2804088f4e54a.000000000000018c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb30
failed to flush /rbd_data.f2804088f4e54a.000000000001eb30: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ebd7
failed to flush /rbd_data.f2804088f4e54a.000000000001ebd7: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eca3
failed to flush /rbd_data.f2804088f4e54a.000000000001eca3: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004e8
failed to flush /rbd_data.f2804088f4e54a.00000000000004e8: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004c5
failed to flush /rbd_data.f2804088f4e54a.00000000000004c5: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000e5a
failed to flush /rbd_data.f2804088f4e54a.0000000000000e5a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000315
failed to flush /rbd_data.f2804088f4e54a.0000000000000315: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004d9
failed to flush /rbd_data.f2804088f4e54a.00000000000004d9: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000052c0
failed to flush /rbd_data.5f35353775dd58.00000000000052c0: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ede7
failed to flush /rbd_data.f2804088f4e54a.000000000001ede7: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004c2
failed to flush /rbd_data.f2804088f4e54a.00000000000004c2: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000a29
failed to flush /rbd_data.f2804088f4e54a.0000000000000a29: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000494
failed to flush /rbd_data.f2804088f4e54a.0000000000000494: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000013afe
failed to flush /rbd_data.5f35353775dd58.0000000000013afe: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001a50e
failed to flush /rbd_data.f2804088f4e54a.000000000001a50e: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb31
failed to flush /rbd_data.f2804088f4e54a.000000000001eb31: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000009799
failed to flush /rbd_data.5f35353775dd58.0000000000009799: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000003043
failed to flush /rbd_data.5f35353775dd58.0000000000003043: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001eea2
failed to flush /rbd_data.5f35353775dd58.000000000001eea2: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008b7
failed to flush /rbd_data.f2804088f4e54a.00000000000008b7: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ec35
failed to flush /rbd_data.f2804088f4e54a.000000000001ec35: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000031e
failed to flush /rbd_data.5f35353775dd58.000000000000031e: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000d24
failed to flush /rbd_data.f2804088f4e54a.0000000000000d24: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001bb7c
failed to flush /rbd_data.5f35353775dd58.000000000001bb7c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000006c
failed to flush /rbd_data.f2804088f4e54a.000000000000006c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ede0
failed to flush /rbd_data.f2804088f4e54a.000000000001ede0: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ede5
failed to flush /rbd_data.f2804088f4e54a.000000000001ede5: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ede3
failed to flush /rbd_data.f2804088f4e54a.000000000001ede3: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000002e
failed to flush /rbd_data.f2804088f4e54a.000000000000002e: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000e3c
failed to flush /rbd_data.f2804088f4e54a.0000000000000e3c: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000f108
failed to flush /rbd_data.5f35353775dd58.000000000000f108: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001a7a1
failed to flush /rbd_data.5f35353775dd58.000000000001a7a1: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008b0
failed to flush /rbd_data.f2804088f4e54a.00000000000008b0: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004b6
failed to flush /rbd_data.f2804088f4e54a.00000000000004b6: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000005a9
failed to flush /rbd_data.f2804088f4e54a.00000000000005a9: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000032
failed to flush /rbd_data.f2804088f4e54a.0000000000000032: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008b6
failed to flush /rbd_data.f2804088f4e54a.00000000000008b6: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000013b
failed to flush /rbd_data.f2804088f4e54a.000000000000013b: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000f90
failed to flush /rbd_data.f2804088f4e54a.0000000000000f90: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000320
failed to flush /rbd_data.5f35353775dd58.0000000000000320: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004bb
failed to flush /rbd_data.f2804088f4e54a.00000000000004bb: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000813
failed to flush /rbd_data.f2804088f4e54a.0000000000000813: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004b0
failed to flush /rbd_data.f2804088f4e54a.00000000000004b0: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000783
failed to flush /rbd_data.f2804088f4e54a.0000000000000783: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb33
failed to flush /rbd_data.f2804088f4e54a.000000000001eb33: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000009d
failed to flush /rbd_data.f2804088f4e54a.000000000000009d: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000154
failed to flush /rbd_data.f2804088f4e54a.0000000000000154: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000001e
failed to flush /rbd_data.f2804088f4e54a.000000000000001e: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000002f6
failed to flush /rbd_data.5f35353775dd58.00000000000002f6: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000fa1
failed to flush /rbd_data.f2804088f4e54a.0000000000000fa1: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001e7df
failed to flush /rbd_data.5f35353775dd58.000000000001e7df: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000006
failed to flush /rbd_data.f2804088f4e54a.0000000000000006: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb29
failed to flush /rbd_data.f2804088f4e54a.000000000001eb29: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000006b
failed to flush /rbd_data.f2804088f4e54a.000000000000006b: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000005cd
failed to flush /rbd_data.f2804088f4e54a.00000000000005cd: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000319
failed to flush /rbd_data.f2804088f4e54a.0000000000000319: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000302b
failed to flush /rbd_data.5f35353775dd58.000000000000302b: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ede2
failed to flush /rbd_data.f2804088f4e54a.000000000001ede2: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000e0a
failed to flush /rbd_data.f2804088f4e54a.0000000000000e0a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000005cf
failed to flush /rbd_data.f2804088f4e54a.00000000000005cf: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000320
failed to flush /rbd_data.f2804088f4e54a.0000000000000320: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000e58
failed to flush /rbd_data.f2804088f4e54a.0000000000000e58: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001049a
failed to flush /rbd_data.5f35353775dd58.000000000001049a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eca7
failed to flush /rbd_data.f2804088f4e54a.000000000001eca7: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000e22f
failed to flush /rbd_data.5f35353775dd58.000000000000e22f: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001801b
failed to flush /rbd_data.5f35353775dd58.000000000001801b: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000812
failed to flush /rbd_data.f2804088f4e54a.0000000000000812: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000031a
failed to flush /rbd_data.f2804088f4e54a.000000000000031a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000072
failed to flush /rbd_data.f2804088f4e54a.0000000000000072: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000008
failed to flush /rbd_data.f2804088f4e54a.0000000000000008: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001e80b
failed to flush /rbd_data.5f35353775dd58.000000000001e80b: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000055
failed to flush /rbd_data.f2804088f4e54a.0000000000000055: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000001aa
failed to flush /rbd_data.5f35353775dd58.00000000000001aa: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000e202
failed to flush /rbd_data.5f35353775dd58.000000000000e202: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000302
failed to flush /rbd_data.5f35353775dd58.0000000000000302: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ede4
failed to flush /rbd_data.f2804088f4e54a.000000000001ede4: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000007f74
failed to flush /rbd_data.5f35353775dd58.0000000000007f74: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000152
failed to flush /rbd_data.f2804088f4e54a.0000000000000152: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000019
failed to flush /rbd_data.f2804088f4e54a.0000000000000019: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008af
failed to flush /rbd_data.f2804088f4e54a.00000000000008af: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000004dc
failed to flush /rbd_data.f2804088f4e54a.00000000000004dc: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000030c
failed to flush /rbd_data.5f35353775dd58.000000000000030c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001a4f2
failed to flush /rbd_data.f2804088f4e54a.000000000001a4f2: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000086f
failed to flush /rbd_data.f2804088f4e54a.000000000000086f: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000305
failed to flush /rbd_data.5f35353775dd58.0000000000000305: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000301
failed to flush /rbd_data.5f35353775dd58.0000000000000301: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000028
failed to flush /rbd_data.f2804088f4e54a.0000000000000028: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ede9
failed to flush /rbd_data.f2804088f4e54a.000000000001ede9: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000032c
failed to flush /rbd_data.f2804088f4e54a.000000000000032c: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ec4b
failed to flush /rbd_data.f2804088f4e54a.000000000001ec4b: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000006f
failed to flush /rbd_data.f2804088f4e54a.000000000000006f: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000033
failed to flush /rbd_data.f2804088f4e54a.0000000000000033: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000e59
failed to flush /rbd_data.f2804088f4e54a.0000000000000e59: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000001228
failed to flush /rbd_data.f2804088f4e54a.0000000000001228: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000352
failed to flush /rbd_data.5f35353775dd58.0000000000000352: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008bd
failed to flush /rbd_data.f2804088f4e54a.00000000000008bd: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000009433
failed to flush /rbd_data.5f35353775dd58.0000000000009433: (2) No such
file or directory
        rbd_data.f2804088f4e54a.00000000000008b5
failed to flush /rbd_data.f2804088f4e54a.00000000000008b5: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000e6f1
failed to flush /rbd_data.5f35353775dd58.000000000000e6f1: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000782
failed to flush /rbd_data.f2804088f4e54a.0000000000000782: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ed02
failed to flush /rbd_data.f2804088f4e54a.000000000001ed02: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001eb6e
failed to flush /rbd_data.f2804088f4e54a.000000000001eb6e: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000003efa
failed to flush /rbd_data.5f35353775dd58.0000000000003efa: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000001315
failed to flush /rbd_data.f2804088f4e54a.0000000000001315: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ed8a
failed to flush /rbd_data.f2804088f4e54a.000000000001ed8a: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000022
failed to flush /rbd_data.f2804088f4e54a.0000000000000022: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000009308
failed to flush /rbd_data.5f35353775dd58.0000000000009308: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000fa2
failed to flush /rbd_data.f2804088f4e54a.0000000000000fa2: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000031c
failed to flush /rbd_data.5f35353775dd58.000000000000031c: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000f238
failed to flush /rbd_data.5f35353775dd58.000000000000f238: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000313
failed to flush /rbd_data.f2804088f4e54a.0000000000000313: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000d4f
failed to flush /rbd_data.f2804088f4e54a.0000000000000d4f: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000002abc
failed to flush /rbd_data.5f35353775dd58.0000000000002abc: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000f75
failed to flush /rbd_data.f2804088f4e54a.0000000000000f75: (2) No such
file or directory
        rbd_data.5f35353775dd58.00000000000000a8
failed to flush /rbd_data.5f35353775dd58.00000000000000a8: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000000e721
failed to flush /rbd_data.5f35353775dd58.000000000000e721: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000085e
failed to flush /rbd_data.f2804088f4e54a.000000000000085e: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001e10d
failed to flush /rbd_data.f2804088f4e54a.000000000001e10d: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000103
failed to flush /rbd_data.f2804088f4e54a.0000000000000103: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ecbb
failed to flush /rbd_data.f2804088f4e54a.000000000001ecbb: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000073
failed to flush /rbd_data.f2804088f4e54a.0000000000000073: (2) No such
file or directory
        rbd_data.5f35353775dd58.000000000001ef05
failed to flush /rbd_data.5f35353775dd58.000000000001ef05: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000007552
failed to flush /rbd_data.5f35353775dd58.0000000000007552: (2) No such
file or directory
        rbd_data.5f35353775dd58.0000000000000304
failed to flush /rbd_data.5f35353775dd58.0000000000000304: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000000031f
failed to flush /rbd_data.f2804088f4e54a.000000000000031f: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000e0b
failed to flush /rbd_data.f2804088f4e54a.0000000000000e0b: (2) No such
file or directory
        rbd_data.f2804088f4e54a.0000000000000fa7
failed to flush /rbd_data.f2804088f4e54a.0000000000000fa7: (2) No such
file or directory
        rbd_data.f2804088f4e54a.000000000001ef32
failed to flush /rbd_data.f2804088f4e54a.000000000001ef32: (2) No such
file or directory
cache-flush-evict-all finished with errors


Is there any way we can resolve this issue?

Thanks and Regards
Vishnu Bhaskar
Acceleron Labs Pvt Ltd
Bangalore, India
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