Re: [zfs-discuss] partioned cache devices

2013-03-19 Thread Andrew Gabriel
Solaris FDISK partition (although this is not enforced). With EFI labeling, s7 is enforced as the whole EFI FDISK partition, and so the trailing s7 is dropped off the device name for clarity. This simplicity is brought about because the GPT spec requires that backwards compatible FDISK part

Re: [zfs-discuss] partioned cache devices

2013-03-19 Thread Andrew Gabriel
Andrew Werchowiecki wrote: Total disk size is 9345 cylinders Cylinder size is 12544 (512 byte) blocks Cylinders Partition StatusType Start End Length

Re: [zfs-discuss] partioned cache devices

2013-03-18 Thread Andrew Werchowiecki
March 2013 3:04 PM To: Andrew Werchowiecki Cc: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] partioned cache devices On Sun, Mar 17, 2013 at 1:01 PM, Andrew Werchowiecki mailto:andrew.werchowie...@xpanse.com.au>> wrote: I understand that p0 refers to the whole disk... in the l

Re: [zfs-discuss] partioned cache devices

2013-03-16 Thread Andrew Werchowiecki
what that does to the pool's OS interoperability. From: Edward Ned Harvey (opensolarisisdeadlongliveopensolaris) [opensolarisisdeadlongliveopensola...@nedharvey.com] Sent: Friday, 15 March 2013 8:44 PM To: Andrew Werchowiecki; zfs-discuss@opensolaris.org Subject

[zfs-discuss] partioned cache devices

2013-03-14 Thread Andrew Werchowiecki
Hi all, I'm having some trouble with adding cache drives to a zpool, anyone got any ideas? muslimwookie@Pyzee:~$ sudo zpool add aggr0 cache c25t10d1p2 Password: cannot open '/dev/dsk/c25t10d1p2': I/O error muslimwookie@Pyzee:~$ I have two SSDs in the system, I've created an 8gb partition on eac

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Andrew Gabriel
ilisation and performance for a ZFS COMSTAR target. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] any more efficient way to transfer snapshot between two hosts than ssh tunnel?

2012-12-14 Thread Andrew Gabriel
for large transfers on 10GbE are: 280MB/smbuffer 220MB/srsh 180MB/sHPN-ssh unencrypted 60MB/s standard ssh The tradeoff mbuffer is a little more complicated to script; rsh is, well, you know; and hpn-ssh requires rebuilding ssh and (probably) maintaining a second copy of it.

Re: [zfs-discuss] ZFS array on marvell88sx in Solaris 11.1

2012-12-13 Thread Andrew Gabriel
are portable to a different controller), are you able/willing to swap it for one that Solaris is known to support well? ---- -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@

Re: [zfs-discuss] Remove disk

2012-12-02 Thread Andrew Gabriel
or if you don't care about existing snapshots, use Shadow Migration to move the data across. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] [zfs] portable zfs send streams (preview webrev)

2012-10-18 Thread Andrew Gabriel
Arne Jansen wrote: We have finished a beta version of the feature. What does FITS stand for? ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Making ZIL faster

2012-10-04 Thread Andrew Gabriel
upted, but not for those which rely on the Posix semantics of synchronous writes/syncs meaning data is secured on non-volatile storage when the function returns. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.o

Re: [zfs-discuss] all in one server

2012-09-18 Thread Andrew Gabriel
-r export/home | wc -l 1951 $ echo 1951 / 365 | bc -l 5.34520547945205479452 $ So you're slightly ahead of my 5.3 years of daily snapshots:-) -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.

Re: [zfs-discuss] Remedies for suboptimal mmap performance on zfs

2012-05-28 Thread Andrew Gabriel
map(2) and doesn't document this in detail, Dtrace is your friend. 4. Keep plenty of free space in the zpool if you want good database performance. If you're more than 60% full (S10U9) or 80% full (S10U10), that could be a factor. Anyway, there are a few things to think about. -- Andrew

Re: [zfs-discuss] zfs_arc_max values

2012-05-17 Thread Andrew Gabriel
rinking of the ARC may be more proactive now than it was back then, but I don't notice any ZFS performance issues with the ARC restricted to 1GB on a desktop system. It may have increase scrub times, but that happens when I'm in bed, so I don't care. -- Andrew ___

Re: [zfs-discuss] test for holes in a file?

2012-03-26 Thread Andrew Gabriel
I just played and knocked this up (note the stunning lack of comments, missing optarg processing, etc)... Give it a list of files to check... #define _FILE_OFFSET_BITS 64 #include #include #include #include #include int main(int argc, char **argv) { int i; for (i = 1; i

Re: [zfs-discuss] Any recommendations on Perc H700 controller on Dell Rx10 ?

2012-03-10 Thread Andrew Gabriel
relatively new, and the controllers may not have been designed with SSDs in mind. That's likely to be somewhat different nowadays, but I don't have any data to show that either way. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-dis

Re: [zfs-discuss] send only difference between snapshots

2012-02-14 Thread Andrew Gabriel
aster, send only the difference between the current and recent snapshots on the backup and then deploy it on backup. Any ideas how this can be done? It's called an incremental - it's part of the zfs send command line options. -- Andrew Gabriel

Re: [zfs-discuss] Does raidzN actually protect against bitrot? If yes - how?

2012-01-15 Thread Andrew Gabriel
;s nothing inbetween. Actually, there are a number of disk firmware and cache faults inbetween, which zfs has picked up over the years. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Stress test zfs

2012-01-05 Thread Andrew Gabriel
10,000 synchronous write IOPs, but the underlying devices are only performing about 1/10th of that, due to ZFS coalescing multiple outstanding writes. Sorry, I'm not familiar with what type of load bonnie generates. -- Andrew Gabriel | Solaris Systems Architect Email: andrew.gabr...@oracle

Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-19 Thread Daugherity, Andrew W
Does "current" include sol10u10 as well as sol11? If so, when did that go in? Was it in sol10u9? Thanks, Andrew From: Cindy Swearingen mailto:cindy.swearin...@oracle.com>> Subject: Re: [zfs-discuss] Can I create a mirror for a root rpool? Date: December 16, 2011 10:38:2

Re: [zfs-discuss] Can I create a mirror for a root rpool?

2011-12-16 Thread Andrew Gabriel
, which is just silly to fight with anyway. Gregg -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] slow zfs send/recv speed

2011-11-15 Thread Andrew Gabriel
On 11/15/11 23:40, Tim Cook wrote: On Tue, Nov 15, 2011 at 5:17 PM, Andrew Gabriel mailto:andrew.gabr...@oracle.com>> wrote: On 11/15/11 23:05, Anatoly wrote: Good day, The speed of send/recv is around 30-60 MBytes/s for initial send and 17-25 MBytes

Re: [zfs-discuss] slow zfs send/recv speed

2011-11-15 Thread Andrew Gabriel
sec, so it's pretty much limited by the ethernet. Since you have provided none of the diagnostic data you collected, it's difficult to guess what the limiting factor is for you. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discus

Re: [zfs-discuss] zpool scrub bad block list

2011-11-08 Thread Andrew Gabriel
s of disk (SSD), block numbers are moved around to achieve wear leveling, so blacklistinng a block number won't stop you reusing that real block. -- Andrew Gabriel (from mobile) --- Original message --- From: Edward Ned Harvey To: didier.reb...@u-bourgogne.fr, zfs-discuss@opensolari

Re: [zfs-discuss] zpool replace not concluding + duplicate drive label

2011-10-27 Thread Andrew Freedman
On 28/10/2011, at 3:06 PM, Daniel Carosone wrote: > On Thu, Oct 27, 2011 at 10:49:22AM +1100, afree...@mac.com wrote: >> Hi all, >> >> I'm seeing some puzzling behaviour with my RAID-Z. >> > > Indeed. Start with zdb -l on each of the disks to look at the labels in more > detail. > > -- > Dan

Re: [zfs-discuss] Thumper (X4500), and CF SSD for L2ARC = ?

2011-10-14 Thread Andrew Gabriel
a ufs root disk, but any attempt to put a serious load on it, and it corrupted data all over the place. So if you're going to try one, make sure you hammer it very hard in a test environment before you commit anything important to it. -- Andrew Gabriel

Re: [zfs-discuss] solaris 10u8 hangs with message Disconnected command timeout for Target 0

2011-08-15 Thread Andrew Gabriel
Block: 1380679072Error Block: 1380679072 Aug 16 13:14:16 nas-hz-02 scsi: Vendor: DELL Serial Number: Aug 16 13:14:16 nas-hz-02 scsi: Sense Key: Unit Attention Aug 16 13:14:16 nas-hz-02 scsi: ASC: 0x29 (device internal re

Re: [zfs-discuss] Sudden drop in disk performance - WD20EURS & 4k sectors to blame?

2011-08-15 Thread Andrew Gabriel
size (although that alone doesn't necessarily tell you much - a dtrace quantize aggregation would be better). Also check service times on the disks (iostat) to see if there's one which is significantly worse and might be going bad. -- Andrew Gabriel ___

Re: [zfs-discuss] Disk IDs and DD

2011-08-10 Thread Andrew Gabriel
none of my 'data' disks have been 'configured' yet. I wanted to ID them before adding them to pools. Use p0 on x86 (whole disk, without regard to any partitioning). Any other s or p device node may or may not be there, depending on what partitions/slices are on

Re: [zfs-discuss] matching zpool versions to development builds

2011-08-08 Thread Andrew Gabriel
e end of the URL). It conks out at version 31 though. I have systems back to build 125, so I tend to always force zpool version 19 for that (and that automatically limits zfs version to 4). There's also some info about some builds on the zfs wikipedia page http://en.wikipedia.org/wiki/Zfs

Re: [zfs-discuss] Large scale performance query

2011-08-08 Thread Andrew Gabriel
e to be able to find a non corrupt version of the data. When you have a new hardware setup, I would perform scrubs more frequently as a further check that the hardware doesn't have any systemic problems, until you have gained confidence in it.

Re: [zfs-discuss] Adding mirrors to an existing zfs-pool

2011-07-26 Thread Andrew Gabriel
? What's the RAID layout of your pool "zpool status"? -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] zfs send/receive and ashift

2011-07-26 Thread Andrew Gabriel
Does anyone know if it's OK to do zfs send/receive between zpools with different ashift values? -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Mount Options

2011-07-25 Thread Andrew Gabriel
ssion and/or if you wish to reserve a minimum space... zfs set reservation=50g logs/oracle zfs set reservation=100g logs/session Do I have to use the legacy mount options? You don't have to. -- Andrew Gabriel ___ zfs-discuss mailing list z

Re: [zfs-discuss] How create a FAT filesystem on a zvol?

2011-07-12 Thread Andrew Gabriel
you give mkfs_pcfs all the geom data it needs, then it won't try asking the device... andrew@opensolaris:~# zfs create -V 10m rpool/vol1 andrew@opensolaris:~# mkfs -F pcfs -o fat=16,nofdisk,nsect=255,ntrack=63,size=2 /dev/zvol/rdsk/rpool/vol1 Construct a new FAT file system

Re: [zfs-discuss] 512b vs 4K sectors

2011-07-04 Thread Andrew Gabriel
gate Barracuda XT 2Tb disks (which are a bit more Enterprise than the list above), just plugged them in, and so far they're OK. Not had them long enough to report on longevity. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolar

Re: [zfs-discuss] 700GB gone?

2011-06-30 Thread Andrew Gabriel
go about partitioning the disk? What does the fdisk partitioning look like (if its x86)? What does the VToC slice layout look like? What are you using each partition and slice for? What tells you that you can only see 300GB? -- Andrew ___ zfs-discuss

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-28 Thread Andrew Gabriel
t is much closer coupled to the CPU than a PCI crypto card can be, and performance with small packets was key for the crypto networking support T-series was designed for. Of course, it handles crypto of large blocks just fine too. -- Andrew ___ z

Re: [zfs-discuss] write cache partial-disk pools (was Server with 4 drives, how to configure ZFS?)

2011-06-20 Thread Andrew Gabriel
Richard Elling wrote: On Jun 19, 2011, at 6:04 AM, Andrew Gabriel wrote: Richard Elling wrote: Actually, all of the data I've gathered recently shows that the number of IOPS does not significantly increase for HDDs running random workloads. However the response time does :-( My

Re: [zfs-discuss] write cache partial-disk pools (was Server with 4 drives, how to configure ZFS?)

2011-06-19 Thread Andrew Gabriel
taking into account priority, such as if the I/O is a synchronous or asynchronous, and age of existing queue entries). I had much fun playing with this at the time. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://

Re: [zfs-discuss] compare snapshot to current zfs fs

2011-06-04 Thread Andrew Gabriel
diff [ | ] -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Extremely slow zpool scrub performance

2011-05-14 Thread Andrew Gabriel
7;s in an area where there are lots of small blocks. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Summary: Dedup and L2ARC memory requirements

2011-05-08 Thread Andrew Gabriel
is synchronous. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Faster copy from UFS to ZFS

2011-05-03 Thread Andrew Gabriel
Certainly, fastfs (a similar although more dangerous option for ufs) makes ufs to ufs copying significantly faster. *ufsrestore works fine on ZFS filesystems (although I haven't tried it with any POSIX ACLs on the original ufs filesystem, which would probably simply get l

Re: [zfs-discuss] No write coalescing after upgrade to Solaris 11 Express

2011-04-27 Thread Andrew Gabriel
f oSol 134? What does "zfs get sync" report? -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Cannot remove zil device

2011-04-01 Thread Daugherity, Andrew W
Do you have any details on that CR? Either my Google-fu is failing or Oracle has moved the CR database private. I haven't encountered this problem but would like to know if there are certain behaviors to avoid to not risk this. Has it been fixed in Sol10 or OpenSolaris? Thanks, A

Re: [zfs-discuss] SIL3114 and sparc solaris 10

2011-02-23 Thread Andrew Gabriel
ss, and I think you'll need a Windows system to actually flash the BIOS. You might want to do a google search on "3114 data corruption" too, although it never hit me back when I used the cards. -- Andrew Gabriel ___ zfs-discuss mailing li

Re: [zfs-discuss] SIL3114 and sparc solaris 10

2011-02-23 Thread Andrew Gabriel
drivers had been developed. I would suggest looking for something more modern. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS and spindle speed (7.2k / 10k / 15k)

2011-02-05 Thread Andrew Gabriel
e scanned all the surfaces on startup to build up an internal table of the relative misalignment of tracks across the surfaces, but this rapidly became unviable as drive capacity increased and this scan would take an unreasonable length of time. It may be that modern drives learn this as they

Re: [zfs-discuss] ZFS and TRIM

2011-01-29 Thread Andrew Gabriel
ely provisioned, in order to deallocate blocks in the LUN which have previously been allocated, but whose contents have since been invalidated. In this case, both ZFS and whatever is providing the storage LUN would need to support TRIM. Out of interest, what other filesystems out there toda

Re: [zfs-discuss] show hdd life time ?

2011-01-23 Thread Andrew Gabriel
dicator of impending failure, such as the various error and retry counts. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] incorrect vdev added to pool

2011-01-18 Thread Andrew Gabriel
replace it with a new raidz2 vdev? If not what can I do to do damage control and add some redundancy to the single drive vdev? I think you should be able to attach another disk to it to make them into a mirror. (Make sure you attach, and not add.) -- Andrew

Re: [zfs-discuss] how to quiesce and unquiesc zfs and zpool for array/hardware snapshots ?

2010-11-15 Thread Andrew Gabriel
ed. I won't claim ZFS couldn't better support use of back-end Enterprise storage, but in this case, you haven't given any use cases where that's relevant. -- Andrew ___ zfs-discuss mailing list zfs-discuss@opensolaris.org htt

Re: [zfs-discuss] Changing GUID

2010-11-15 Thread Andrew Gabriel
earlier opensolaris versions, but it no longer works). If you have a support contract, raise a call and asked to be added to RFE 6744320. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman

Re: [zfs-discuss] how to quiesce and unquiesc zfs and zpool for array/hardware snapshots ?

2010-11-15 Thread Andrew Gabriel
em) immediately (so you can repeat the hardware snapshot again if it fails), maybe you will be lucky. The right way to do this with zfs is to send/recv the datasets to a fresh zpool, or (S10 Update 9) to create an extra zpool mirror and then split it off with zpool split. --

Re: [zfs-discuss] How do you use >1 partition on x86?

2010-10-25 Thread Andrew Gabriel
3017015200 50 format Searching for disks...done AVAILABLE DISK SELECTIONS: 0. c7t0d0 /p...@0,0/pci1028,2...@1f,2/d...@0,0 Thanks for any idea. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris

Re: [zfs-discuss] TLER and ZFS

2010-10-06 Thread Andrew Gabriel
itch to disable pseudo 512b access so you can use the 4k native. The industry as a whole will transition to 4k sectorsize over next few years, but these first 4k sectorsize HDs are rather less useful with 4k sectorsize-aware OS's. Let's hope other manufacturers get this right in their first

Re: [zfs-discuss] TLER and ZFS

2010-10-05 Thread Andrew Gabriel
del is no longer available now. I'm going to have to swap out for bigger disks in the not too distant future. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] fs root inode number?

2010-09-26 Thread Andrew Gabriel
S is 3 rather than 2? If you look at zfs_create_fs(), you will see the first 3 items created are: Create zap object used for SA attribute registration Create a delete queue. Create root znode. Hence, inode 3. -- Andrew Gabriel ___ zfs-disc

Re: [zfs-discuss] Adding a higher level partition to ZFS pool

2010-09-24 Thread Andrew Gabriel
ve you poor performance if you are accessing both at the same time, as you are forcing head seeking between them. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Failed zfs send "invalid backup stream".............

2010-09-12 Thread Andrew Gabriel
if the target is a new hard drive can I use this zfs send al...@3 > /dev/c10t0d0 ? That command doesn't make much sense for the purpose of doing anything useful. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discu

Re: [zfs-discuss] SCSI write retry errors on ZIL SSD drives...

2010-08-24 Thread Andrew Gabriel
e error you included isn't a timeout. The SSD's themselves are all Intel X-25E's (32GB) with firmware 8860 and the LSI 1068 is a SAS1068E B3 with firmware 011c0200 (1.28.02.00). I'm not intimately familiar with the firmware versions, but if you're having problems, making s

Re: [zfs-discuss] Solaris startup script location

2010-08-18 Thread andrew . gabriel
What you say is true only on the system itself. On an NFS client system, 30 seconds of lost data in the middle of a file (as per my earlier example) is a corrupt file. -original message- Subject: Re: [zfs-discuss] Solaris startup script location From: Edward Ned Harvey Date: 18/08/2010 17:17 >

Re: [zfs-discuss] Solaris startup script location

2010-08-18 Thread Andrew Gabriel
ing a file sequentially, you will likely find an area of the file is corrupt because the data was lost. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Solaris startup script location

2010-08-18 Thread Andrew Gabriel
Andrew Gabriel wrote: Alxen4 wrote: Is there any way run start-up script before non-root pool is mounted ? For example I'm trying to use ramdisk as ZIL device (ramdiskadm ) So I need to create ramdisk before actual pool is mounted otherwise it complains that log device is missing :)

Re: [zfs-discuss] Solaris startup script location

2010-08-18 Thread Andrew Gabriel
way to do this is to "zfs set sync=disabled ..." on relevant filesystems. I can't recall which build introduced this, but prior to that, you can set zfs://zil_disable=1 in /etc/system but that applies to all pools/filesystems. -- Andrew Gabriel

Re: [zfs-discuss] ZFS automatic rollback and data rescue.

2010-08-14 Thread Andrew Gabriel
undancy on flaky storage is not a good place to be. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS automatic rollback and data rescue.

2010-08-14 Thread Andrew Gabriel
o see output of: zfs list -t all -r zpool/filesystem There is a trouble - snapshot is too old, and ,consequently, there is a questions -- Can I browse pre-rollbacked corrupted branch of FS ? And, if I can, how ? -- Andrew Gabriel ___ zfs-discu

Re: [zfs-discuss] Global Spare for 2 pools

2010-08-10 Thread Andrew Gabriel
Tony MacDoodle wrote: I have 2 ZFS pools all using the same drive type and size. The question is can I have 1 global hot spare for both of those pools? Yes. A hot spare disk can be added to more than one pool at the same time. -- Andrew Gabriel

Re: [zfs-discuss] RAID Z stripes

2010-08-10 Thread Andrew Gabriel
ped out drives, this works well, and avoids ending up with sprawling lower capacity drives as your pool grows in size. This is what I do at home. The freed-up drives get used in other systems and for off-site backups. Over the last 4 years, I've upgraded from 1/4TB, to 1/2TB, and now on 1TB dri

Re: [zfs-discuss] ZFS SCRUB

2010-08-09 Thread Andrew Gabriel
e you do a planned reduction of the pool redundancy (e.g. if you're going to detach a mirror side in order to attach a larger disk), most particularly if you are reducing the redundancy to nothing. -- Andrew Gabriel ___ zfs-discuss

Re: [zfs-discuss] Maximum zfs send/receive throughput

2010-08-06 Thread Andrew Gabriel
use for one which is stopped. However, you haven't given anything like enough detail here of your situation and what's happening for me to make any worthwhile guesses. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolari

[zfs-discuss] zvol recordsize for backing a zpool over iSCSI

2010-07-30 Thread Andrew Gabriel
Just wondering if anyone has experimented with working out the best zvol recordsize for a zvol which is backing a zpool over iSCSI? -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo

Re: [zfs-discuss] NFS performance?

2010-07-23 Thread Andrew Gabriel
ential implications before embarking on this route. (As I said before, the zpool itself is not at any additional risk of corruption, it's just that you might find the zfs filesystems with sync=disabled appear to have been rewound by up to 30 seconds.) If you're unsure, then adding SSD no

Re: [zfs-discuss] NFS performance?

2010-07-23 Thread Andrew Gabriel
dea for some other applications though (although Linux ran this way for many years, seemingly without many complaints). Note that there's no increased risk of the zpool going bad - it's just that after the reboot, filesystems with sync=disabled will look like they were rewo

Re: [zfs-discuss] zfs send to remote any ideas for a faster way than ssh?

2010-07-19 Thread Andrew Gabriel
tcat. I haven't figured out where to get netcat nor the syntax for using it yet. I used a buffering program of my own, but I presume mbuffer would work too. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs send to remote any ideas for a faster way than ssh?

2010-07-19 Thread Andrew Gabriel
between the machines due to the CPU limiting on the scp and gunzip processes. Also, if you have multiple datasets to send, might be worth seeing if sending them in parallel helps. -- Andrew Gabriel ___ zfs-discuss mailing list z

Re: [zfs-discuss] 1tb SATA drives

2010-07-16 Thread Andrew Gabriel
takes nearly 19 hours now, and hammers the heads quite hard. I keep meaning to reduce the scrub frequency now it's getting to take so long, but haven't got around to it. What I really want is pause/resume scrub, and the ability to trigger the pause/resume from the screensaver (or

Re: [zfs-discuss] Recommended RAM for ZFS on various platforms

2010-07-16 Thread Andrew Gabriel
I find my home data growth is slightly less than the rate of disk capacity increase, so every 18 months or so, I simply swap out the disks for higher capacity ones. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.

Re: [zfs-discuss] Legality and the future of zfs...

2010-07-12 Thread Andrew Gabriel
FS, amongst other Solaris features. -- Andrew Gabriel ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Lost ZIL Device - FIXED

2010-07-08 Thread Andrew Kener
27;t happen again (I have learned my lesson this time) I have ordered two small SSD drives to put in a mirrored config for the log device. Thanks again to everyone and now I will get some worry-free sleep :) Andrew ___ zfs-discuss mailing list zfs-dis

Re: [zfs-discuss] Lost ZIL Device

2010-07-07 Thread Andrew Kener
from a backup source. On Jul 6, 2010, at 11:48 PM, Edward Ned Harvey wrote: >> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- >> boun...@opensolaris.org] On Behalf Of Andrew Kener >> >> the OS hard drive crashed [and log device] > > Here'

[zfs-discuss] Lost ZIL Device

2010-07-06 Thread Andrew Kener
esn't get recognized. Probably because it was never part of the original zpool. I also symlinked the new ZIL file into /dev/dsk but that didn't make any difference either. Any suggestions? Andrew Kener ___ zfs-discuss mailing list zf

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-07-06 Thread Andrew Jones
> > Good. Run 'zpool scrub' to make sure there are no > other errors. > > regards > victor > Yes, scrubbed successfully with no errors. Thanks again for all of your generous assistance. /AJ -- This message posted from opensolaris.org ___ zfs-discus

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-07-04 Thread Andrew Jones
> > - Original Message - > > Victor, > > > > The zpool import succeeded on the next attempt > following the crash > > that I reported to you by private e-mail! > > > > For completeness, this is the final status of the > pool: > > > > > > pool: tank > > state: ONLINE > > scan: resilvere

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-07-03 Thread Andrew Jones
e, because the features and functionality in zfs are otherwise absolutely second to none. /Andrew[i][/i][i][/i][i][/i][i][/i][i][/i] -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opens

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-07-02 Thread Andrew Jones
> Andrew, > > Looks like the zpool is telling you the devices are > still doing work of > some kind, or that there are locks still held. > Agreed; it appears the CSV1 volume is in a fundamentally inconsistent state following the aborted zfs destroy attempt. See later in

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-07-01 Thread Andrew Jones
Victor, A little more info on the crash, from the messages file is attached here. I have also decompressed the dump with savecore to generate unix.0, vmcore.0, and vmdump.0. Jun 30 19:39:10 HL-SAN unix: [ID 836849 kern.notice] Jun 30 19:39:10 HL-SAN ^Mpanic[cpu3]/thread=ff0017909c60: Jun

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-30 Thread Andrew Jones
Victor, I've reproduced the crash and have vmdump.0 and dump device files. How do I query the stack on crash for your analysis? What other analysis should I provide? Thanks -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-29 Thread Andrew Jones
> > On Jun 29, 2010, at 8:30 PM, Andrew Jones wrote: > > > Victor, > > > > The 'zpool import -f -F tank' failed at some point > last night. The box was completely hung this morning; > no core dump, no ability to SSH into the box to > diagnose the

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-29 Thread Andrew Jones
anything in the logs? Earlier I ran 'zdb -e -bcsvL tank' in write mode for 36 hours and gave up to try something different. Now the zpool import has hung the box. Should I try zdb again? Any suggestions? Thanks, Andrew -- This message po

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-28 Thread Andrew Jones
Thanks Victor. I will give it another 24 hrs or so and will let you know how it goes... You are right, a large 2TB volume (CSV1) was not in the process of being deleted, as described above. It is showing error 16 on 'zdb -e' -- This message posted from opensolaris.org _

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-28 Thread Andrew Jones
Just re-ran 'zdb -e tank' to confirm the CSV1 volume is still exhibiting error 16: Could not open tank/CSV1, error 16 Considering my attempt to delete the CSV1 volume lead to the failure in the first place, I have to think that if I can either 1) complete the deletion of this volume or 2) ro

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-28 Thread Andrew Jones
Malachi, Thanks for the reply. There were no snapshots for the CSV1 volume that I recall... very few snapshots on the any volume in the tank. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://ma

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-28 Thread Andrew Jones
Dedup had been turned on in the past for some of the volumes, but I had turned it off altogether before entering production due to performance issues. GZIP compression was turned on for the volume I was trying to delete. -- This message posted from opensolaris.org ___

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-28 Thread Andrew Jones
Update: have given up on the zdb write mode repair effort, as least for now. Hoping for any guidance / direction anyone's willing to offer... Re-running 'zpool import -F -f tank' with some stack trace debug, as suggested in similar threads elsewhere. Note that this appears hung at near idle. f

Re: [zfs-discuss] zpool import hangs indefinitely (retry post in parts; too long?)

2010-06-28 Thread Andrew Jones
Now at 36 hours since zdb process start and: PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP 827 root 4936M 4931M sleep 590 0:50:47 0.2% zdb/209 Idling at 0.2% processor for nearly the past 24 hours... feels very stuck. Thoughts on how to determine where and

Re: [zfs-discuss] ls says: /tank/ws/fubar: Operation not applicable

2010-06-22 Thread Andrew Gabriel
evious installs). It's an amd64 box. Both OS versions show the same problem. Do I need to run a scrub? (will take days...) Other ideas? It might be interesting to run it under truss, to see which syscall is returning that error. -- Andrew Gabriel ___

Re: [zfs-discuss] Native ZFS for Linux

2010-06-12 Thread andrew
is is incorrect. The viral effects of the GPL only take effect at the point of distribution. If ZFS is distributed seperately to the Linux kernel as a module then the person doing the combining is the user. Different if a Linux distro wanted to include it on a live CD, for example. GPL

Re: [zfs-discuss] Is it possible to disable MPxIO during OpenSolaris installation?

2010-06-02 Thread Andrew Gabriel
for disks. (Actually, vanity naming for disks should probably be brought out into a separate RFE.) -- Andrew Gabriel | Solaris Systems Architect Email: andrew.gabr...@oracle.com Mobile: +44 7720 598213 Oracle Pre-Sales Guillemont Park | Minley Road | Camberley | GU17 9QG | United Kingdom ORACLE Corporat

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