Hi
Any suggestions/recommendations on all SSD for Ceph?
I see SSD freezes occasionally on SATA drives, thus creating spikes in latency
at times. Recovers after a brief pause of 20-30 secs. Any best practices like
colocated journals or not, schedulers, hdparms etc appreciated. Working on 1.3.
R
Hi,
It appears that Multipath support is available on 512 and not 4k sector size.
This is on RHEL 7.1. Can someone please confirm?
4k Sector size
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Nov 13 16:20:16 colusa5-ceph kernel: device-mapper: table: 253:60: len=5119745
not aligned to h/w logical block size 4096 of dm-16
[ceph-n
Hi,
Apologize if something came up before like this.
Reading archives, it appears that 4 to 5 spinning disks are recommended for
single SSD.
I have two questions on the subject.
* Some of the links suggest that we should use 'sync writes' to really
size the journals. If true, then what
Hi Dave
Did you say iscsi only? The tracker issue does not say though.
I am on giant, with both client and ceph on RHEL 7 and seems to work ok, unless
I am missing something here. RBD on baremetal with kmod-rbd and caching
disabled.
[root@compute4 ~]# time fio --name=writefile --size=100G --
14 10:39 PM
To: 'Irek Fasikhov'; Ramakrishna Nishtala (rnishtal); 'Gregory Farnum'
Cc: 'ceph-us...@ceph.com'
Subject: RE: [ceph-users] osds fails to start with mismatch in id
Hi Ramakrishna,
we use the phy. path (containing the serial number) to a disk to prevent
comple
partitions journal/data are having
ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 as partition guid code.
Appreciate any help.
Regards,
Rama
=
-Original Message-
From: Gregory Farnum [mailto:g...@gregs42.com]
Sent: Sunday, November 09, 2014 3:36 PM
To: Ramakrishna Nishtala (rnishtal
Hi
I am on ceph 0.87, RHEL 7
Out of 60 few osd's start and the rest complain about mismatch about id's as
below.
2014-11-09 07:09:55.501177 7f4633e01880 -1 OSD id 56 != my id 53
2014-11-09 07:09:55.810048 7f636edf4880 -1 OSD id 57 != my id 54
2014-11-09 07:09:56.122957 7f459a766880 -1 OSD id 58 !
