Re: [zfs-discuss] Sun X4540 disk replacement

Thanks for that. Success. I was apprehensive about prying too hard. Tony On Dec 12, 2011, at 11:53 AM, Edmund White wrote: > You need to pry the drive sled off of the disk once the screws are > removed. There are two or four notches that hold onto the disk. You'll end > up spreadi

[zfs-discuss] Sun X4540 disk replacement

eant to be separated? I've looked the x4540 user guide but it does not say anything about it. Tony Schreiner ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Mirror Gone

Hello, Looks like the mirror was removed or deleted... Can I get it back to it's original??? Original: mirror-0 ONLINE 0 0 0 c1t2d0 ONLINE 0 0 0 c1t3d0 ONLINE 0 0 0 mirror-1 ONLINE 0 0 0 c1t4

[zfs-discuss] ZFS Mount Options

I have a zfs pool called logs (about 200G). I would like to create 2 volumes using this chunk of storage. However, they would have different mount points. ie. 50G would be mounted as /oarcle/logs 100G would be mounted as /session/logs is this possible? Do I have to use the legacy mount options

Re: [zfs-discuss] monitoring ops

on a per drive basis (rather than overall pool stats), but you can adapt the idea to whatever you need. -Tony On Tue, Jun 28, 2011 at 10:08 AM, Matt Harrison < iwasinnamuk...@genestate.com> wrote: > Hi list, > > I want to monitor the read and write ops/bandwidth for a couple of po

[zfs-discuss] Monitoring zvols

Hello, Does anyone have any scripts that will monitor the performance of a specific zvol? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] ZFS Write Performance Issues

We seem to be having write issues with zfs, does anyone see anything in the following: bash-3.00# kstat -p -n arcstats zfs:0:arcstats:c655251456 zfs:0:arcstats:c_max5242011648 zfs:0:arcstats:c_min655251456 zfs:0:arcstats:classmisc zfs:0:arcstats:crtime 5699201.4918501 zfs:0:a

[zfs-discuss] RAID 1+0 or 0+1

The below ZFS pool: zpool create tank mirror c1t2d0 c1t3d0 mirror c1t4d0 c1t5d0 spare c1t6d0 Is this a 0 then 1 (mirror of stripes) or 1 then 0 (stripe of mirrors) Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.

[zfs-discuss] ZFS Prefetch Tuning

the prefetch off for just a single pool? Also is this something that can be done online or will it require a reboot to put into effect. Thanks in advance for your assistance in this matter. Regards Tony -- Tony Marshall | Technical Architect

[zfs-discuss] Increase Volume Size

Is is possible to expand the size of a ZFS volume? It was created with the following command: zfs create -V 20G ldomspool/test Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] drive replaced from spare

c5t7d0 AVAIL am I supposed to do something with c1t3d0 now? Thanks, Tony Schreiner Boston College ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Shared LUN's and ZFS

Is it possible to have a shared LUN between 2 servers using zfs? The server can see both LUN's but when I do an impoer I get: bash-3.00# zpool import pool: logs id: 3700399958960377217 state: ONLINE status: The pool was last accessed by another system. action: The pool can be imported using its

[zfs-discuss] Increase size of 2-way mirror

Is it possible to add 2 disks to increase the size of the pool below? NAME STATE READ WRITE CKSUM testpool ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 c1t2d0 ONLINE 0 0 0 c1t3d0 ONLINE 0 0 0 mirror-1 ONLINE 0 0 0 c1t4d0 ONLINE 0 0 0 c1t5d0 ONLINE 0 0 0 ___ zfs-

[zfs-discuss] rpool spare

Using ZFS v22, is it possible to add a hot spare to rpool? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] ZFS Issues and cpu panics

Hello, We have been running into a few issues recently with cpu panics while trying to reboot the control/service domains on various T-series platforms. Has anyone seen the message below? Thanks SunOS Release 5.10 Version Generic_142900-03 64-bit Copyright 1983-2009 Sun Microsystems, Inc. All ri

[zfs-discuss] Global Spare for 2 pools

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? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] snapshot out of space

I am getting the following erorr message when trying to do a zfs snapshot: r...@pluto#zfs snapshot datapool/m...@backup1 cannot create snapshot 'datapool/m...@backup1': out of space r...@pluto#zpool list NAME SIZE USED AVAIL CAP HEALTH ALTROOT datapool 556G 110G 446G 19% ONLINE - rpool 278G 12

[zfs-discuss] zfs rpool corrupt?????

Hello, Has anyone encountered the following error message, running Solaris 10 u8 in an LDom. bash-3.00# devfsadm devfsadm: write failed for /dev/.devfsadm_dev.lock: Bad exchange descriptor bash-3.00# zpool status -v rpool pool: rpool state: DEGRADED status: One or more devices has experienced a

[zfs-discuss] Solaris 10U8 and ZFS Encryption

Is it currently possible (Solaris 10 u8) to encrypt a ZFS pool? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Mirrored Servers

Ok, this is definitely the kind of feedback I was looking for. I'll have to check out the docs on these technologies it looks like. Appreciate it. I figured I would load balance the hosts with a Cisco device, since I can get around the IOS ok. I want to offer a online backup service that pr

[zfs-discuss] Mirrored Servers

Lets say I have two servers, both running opensolaris with ZFS. I basically want to be able to create a filesystem where the two servers have a common volume, that is mirrored between the two. Meaning, each server keeps an identical, real time backup of the other's data directory. Set them both

[zfs-discuss] Performance of the ZIL

How would one determine if I should have a separate ZIL disk? We are using ZFS as the backend of our Guest Domains boot drives using LDom's. And we are seeing bad/very slow write performance? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.or

[zfs-discuss] ARC Summary

Was wondering if anyone of you see any issues with the following in Solaris 10 u8 ZFS? System Memory: Physical RAM: 11042 MB Free Memory : 5250 MB LotsFree: 168 MB ZFS Tunables (/etc/system): ARC Size: Current Size: 4309 MB (arcsize) Target Size (Adaptive): 10018 MB (c) Min Size (Hard Limit): 12

[zfs-discuss] cannot set property for 'rpool': property 'bootfs' not supported on EFI labeled devices

I am getting the following error, however as you can see below this is a SMI label... cannot set property for 'rpool': property 'bootfs' not supported on EFI labeled devices # zpool get bootfs rpool NAME PROPERTY VALUE SOURCE rpool bootfs - default # zpool set bootfs=rpool/ROOT/s10s_u8wos_08a rp

[zfs-discuss] Snapshots and Data Loss

I was wondering if any data was lost while doing a snapshot on a running system? Does it flush everything to disk or would some stuff be lost? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zf

[zfs-discuss] ZFS kstat Stats

Do the following ZFS stats look ok? > ::memstat Page Summary Pages MB %Tot Kernel 106619 832 28% ZFS File Data 79817 623 21% Anon 28553 223 7% Exec and libs 3055 23 1% Page cache 18024 140 5% Free (cachelist) 2880 22 1% Free (freelist) 146309 114

[zfs-discuss] "refreservation" and ZFS Volume

I am trying to understand how "refreservation" works with snapshots. If I have a 100G zfs pool I have 4 20G volume groups in that pool. refreservation = 20G on all volume groups. Now when I want to do a snapshot will this snapshot need 20G + the amount changed (REFER)? If not I get a "o

[zfs-discuss] ZFS Rollback From ZFS Send

Can I rollback a snapshot that I did a zfs send on? ie: zfs send testpool/w...@april6 > /backups/w...@april6_2010 Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] arc_summary.pl results

Was wondering if anyone can see any issues with the ARC in the following output? bash-3.00# ./arc_summary.pl System Memory: Physical RAM: 6023 MB Free Memory : 784 MB LotsFree: 90 MB ZFS Tunables (/etc/system): ARC Size: Current Size: 1159 MB (arcsize) Target Size (Adaptive): 2106 MB (c) Min Si

[zfs-discuss] When to Scrub..... ZFS That Is

When would it be necessary to scrub a ZFS filesystem? We have many "rpool", "datapool", and a NAS 7130, would you consider to schedule monthly scrubs at off-peak hours or is it really necessary? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris

[zfs-discuss] rpool devaliases

Can I create a devalias to boot the other mirror similar to UFS? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Assign Spares

Can I assign a disk to multiple pools? The only problem is one pool is "rpool" with an SMI label and the other pool is a standard ZFS pool? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-

[zfs-discuss] Mirror Stripe

What is the following syntax? *zpool create tank mirror c1t2d0 c1t3d0 mirror c1t4d0 c1t5d0 spare c1t6d0 * * * Is this RAID 0+1 or 1+0?* * Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-di

Re: [zfs-discuss] Growing ZFS Volume with SMI/VTOC label

So in a ZFS boot disk configuration (rpool) in a running environment, it's not possible? On Fri, Feb 19, 2010 at 9:25 AM, wrote: > > > >Is it possible to grow a ZFS volume on a SPARC system with a SMI/VTOC > label > >without losing data as the OS is built on this volume? > > > Sure as long as th

[zfs-discuss] Growing ZFS Volume with SMI/VTOC label

Is it possible to grow a ZFS volume on a SPARC system with a SMI/VTOC label without losing data as the OS is built on this volume? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] ZFS Mount Errors

Why would I get the following error: Reading ZFS config: done. Mounting ZFS filesystems: (1/6)cannot mount '/data/apache': directory is not empty (6/6) svc:/system/filesystem/local:default: WARNING: /usr/sbin/zfs mount -a failed: exit status 1 And yes, there is data in the /data/apache file syste

[zfs-discuss] Oracle Performance - ZFS vs UFS

Was wondering if anyone has had any performance issues with Oracle running on ZFS as compared to UFS? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Removing Cloned Snapshot

I am getting the following message when I try and remove a snapshot from a clone: bash-3.00# zfs destroy data/webser...@sys_unconfigd cannot destroy 'data/webser...@sys_unconfigd': snapshot has dependent clones use '-R' to destroy the following datasets: The datasets are being used, so why can't

[zfs-discuss] Detach ZFS Mirror

I have a 2-disk/2-way mirror and was wondering if I can remove 1/2 the mirror and plunk it in another system? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] ZFS Snapshots

Has anyone encountered any file corruption when snapping ZFS file systems? How does ZFS handle open files when compared to other file system types that use similar technology ie. Veritas, etc...?? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolar

[zfs-discuss] ZFS Flash Jumpstart and mini-root version

Getting the following error when trying to do a ZFS Flash install via jumpstart. error: field 1 - keyword "pool" Do I have to have Solaris 10 u8 installed as the mini-root, or will previous versions of Solaris 10 work? jumpstart profile below install_type flash_install archive_location nfs://19

[zfs-discuss] RAW Device on ZFS

Is it possible to create a RAW device on a ZFS pool? Thanks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Remove ZFS Mount Points

Can I move the below mounts under / ? rpool/export/export rpool/export/home /export/home It was a result of the default install... Thaks ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo

[zfs-discuss] Solaris 10 and ZFS dedupe status

and would probably call for Solaris 10 instead of OpenSolaris. Are my statements on this valid or am I off track? Thanks Tony Russell ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] cannot restore to [snapshot]: destination already exists

I believe I had just redirected zfs send to a file, then ftp'ed the file. I tried that after my script had been producing the error. It had been trying to do "zfs send | socat | zfs receive" essentially. -- This message posted from opensolaris.org ___

[zfs-discuss] cannot restore to [snapshot]: destination already exists

I'm running into a problem trying to do "zfs receive", with data being replicated from a Solaris 10 (11/06 release) to a storage server running OS 118. Here is the error: r...@lznas2:/backup# cat backup+mcc+use...@zn2---pre_messages_delete_20090430 | zfs receive backup/mcc/users cannot restore

[zfs-discuss] ZFS vdev_cache

the running OS. Thanks Tony ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Send & Receive (and why does 'ls' modify a snapshot?)

Thanks ... the -F works perfectly, and provides a further benefit in that the client can mess with the file system as much as they want for testing purposes, but when it comes time to ensure it is synchronized each night, it will revert back to the previous state. Thanks -Tony -- This message

[zfs-discuss] Send & Receive (and why does 'ls' modify a snapshot?)

I am trying to keep a file system (actually quite a few) in sync across two systems for DR purposes, but I am encountering something that I find strange. Maybe its not strange, and I just don't understand - but I will pose to you fine people to help answer my question. This is all scripted, but

[zfs-discuss] zfs memory accounting

I'm not sure if this is the right forum as we are running Solaris 10 (not OpenSolaris). We do have all the latest patches. I am trying to get a better understanding of where our memory is going. The server is a T2000 with 8 GB RAM. I understand that the ARC is a major consumer but it is only c

[zfs-discuss] Same device added twice

SUM zfs-bo ONLINE 0 0 0 c4t60060E801419DC0119DC01A0d0ONLINE 0 0 0 c4t600A0B800026A5EC07FE47557497d0s0 ONLINE 0 0 0 c4t600A0B800026A5EC07FE47557497d0ONLINE 0 0 0 This stirkes me as bad - should I be able to do this? Tha

[zfs-discuss] Zone root on a ZFS filesystem and Cloning zones

a faster deployment method for new zones, is this supported and if not when is it likely to be supported? Thanks Tony ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Zpool, RaidZ & how it spreads its disk load?

its load across all disks somewhat evenly. Can someone explain this result? I can consistently reproduce it as well. Thanks -Tony This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris

[zfs-discuss] Re: Help me understand ZFS caching

Anton & Roch, Thank you for helping me understand this. I didn't want to make too many assumptions that were unfounded and then incorrectly relay that information back to clients. So if I might just repeat your statements, so my slow mind is sure it understands, and Roch, yes your assumption i

[zfs-discuss] Re: Help me understand ZFS caching

Let me elaborate slightly on the reason I ask these questions. I am performing some simple benchmarking, and during this a file is created by sequentially writing 64k blocks until the 100Gb file is created. I am seeing, and this is the exact same as VxFS, large pauses while the system reclaims t

[zfs-discuss] Help me understand ZFS caching

he without messing with c_max / c_min directly in the kernel. -Tony This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Re: Testing of UFS, VxFS and ZFS

To give you fine people an update, it seems that the reason for the skewed results shown earlier is due to Veritas' ability to take advantage of all the free memory available on my server. My test system has 32G of Ram, and my test data file is 10G. Basically, Veritas was able to cache the entir

RE: [zfs-discuss] Testing of UFS, VxFS and ZFS

ill retest with a much larger file to defeat this cache (I do not want to modify my mount options). If this then shows similar performance (I will also retest with ZFS with the same file size) then the question will probably have more to do with how ZFS handles file system caching. -Tony ---

[zfs-discuss] ZFS Performance compared to UFS & VxFS

0.00 0 0.000.0000.000 0.000 5.5 5.5 If anyone know’s if this is a VDbench issue not properly reporting the information or if it is ZFS issue – I’d appreciate some further insights. Thanks -Tony This message posted from opensolaris.org __