0
votes
1answer
39 views

How big are my disk arrays?

On my SunOS 5.10 host are there 3 Sun 6140 disk arrays, and I would like to know the disk capacities. According to zpool list do I have a 5TB and 16TB pool. format shows me only 12 disks c2t1d31: ...
0
votes
1answer
38 views

Why is the size of a zfs filesystem after sending it to a different pool different?

I've move a zfs filesystem from a pool made of a bunch or mirror vdevs to another pool made of two raidz1s with the following command # zfs send -R pool/project@moving | zfs recv tank/project As ...
0
votes
0answers
33 views

zfs checksum verfication failed, solaris booting failed

Looks like my solaris 10 got hosed overnight for unknown reason. I get below error while booting and also when trying to cat menu.lst file in grub. Hard disk is being detected by ubuntu so it may not ...
3
votes
1answer
174 views

How to active HDD leds on HP MDS 600 / HP D6000?

I have a HP D6000 (sometimes called MDS 600) storage array, HP DL380p G8 with an LSI 9207-8e SAS adapter. When I am in the OmniOS (Solaris 10 fork), I can e.g. dd to one of the disks, but I don't see ...
2
votes
2answers
103 views

When to use hot-spare?

On my newly purchased HP MDS600 with 70x 4TB Nearline SAS disks, I now need to configure the disks, and I want raidz2, so the raid sizes follows 2^n+2. The options I therefore have are 7 raid sets ...
1
vote
0answers
26 views

Can I force nfsd on Solaris to announce more free space than physically available?

I'm working with various Solaris based distributions (OmniOS, SmartOS, Nexenta) and I have a highly compressible and deduplicable data set on a very small amount of high performance storage. The ...
1
vote
2answers
69 views

How to use a file as a zpool?

If I do dd if=/dev/zero of=/tank/test/zpool bs=1M count=100 how can I treat the file /tank/test/zpool as a vdev, so I can use it as a zpool? It is for zfs testing purposes only.
3
votes
1answer
163 views

“zpool create” hangs indefinitely

I have a Solaris 11.1 machine which has some disks attached to it via an expander (LSISAS2X36) through an LSI 1068 controller. The setup used to work quite decently, but as I have added another batch ...
-2
votes
2answers
248 views

Why does a failed ZFS disk still seem to work fine?

Two disks just failed in my zpool with read/write errors, so I took them out and inserted them in another host, created a zpool just with them, and filled the file system with dd if=/dev/zero ...
2
votes
1answer
53 views

Choosing a zpool size?

Is there a rule of thumb when to create a new zpool instead of expanding the current? Right now I have 100TB and can either expand with another 100TB or create an extra.
1
vote
1answer
616 views

How often should I defrag ZFS pools?

I ZFS scrub once a month which takes ~24 hours for the 72TB. For what I can find about how often I should scrub is: very busy pools, once per week not so busy pools, once per month or run a scrub, ...
0
votes
1answer
232 views

zfs: zpool space map thrashing - ever fixed?

For zpools which are rather full and/or very fragmented I use to enable metaslab debugging (echo metaslab_debug/W1 | mdb -kw) to avoid space map thrashing and the resulting severe write performance ...
1
vote
2answers
638 views

High load with low CPU usage and low IO usage on Solaris with ZFS and MySQL

I have a Solaris 10 x86_64 system running MySQL 5.5. Under heavy usage times, we're getting very slow responses from the database: slow queries running into minutes that normally return in sub-second ...
0
votes
0answers
274 views

Clone a Solaris Zone from an Existing Snapshot?

How do I clone a zone from a snapshot created some time ago? I did not manage to do this and I am afraid Solaris 11 does not allow this. But I think this is a very straight use case and maybe I am ...
1
vote
0answers
229 views

ZFS: Why does resilvering go over all disks in a pool rather than only those in the raidz1 vdev?

I'm wondering why Solaris is reporting action: Wait for the resilver to complete. scan: resilver in progress since Sun Jul 14 02:42:44 2013 24.9T scanned out of 39.2T at 54.9M/s, 75h46m to go ...
4
votes
1answer
311 views

Why am I getting slow and jumpy ZFS write performance?

I have a 10-disk RAIDZ in Solaris 11.1. Its connected by 8G fibre. I have created a ZVOL, made it available with COMSTAR and mounted it on another machine connected by fibre. When I benchmark it ...
3
votes
1answer
67 views

Recovering data from ZFS mirror

I have two disks from an old server that I believe were a mirrored set. I placed them in a new server and tried to do a zpool import but nothing was found. Does that mean the data that was on them ...
6
votes
2answers
1k views

ZFS performance: do I need to keep free space in a pool or a file system?

I know that the performance of ZFS heavily depends on the amount of free space: Keep pool space under 80% utilization to maintain pool performance. Currently, pool performance can degrade when a ...
1
vote
1answer
376 views

zfs send -i / receive stalling

On a Solaris 11.1 install, I see stalls when receiving a zfs incremental stream. The streams are originating from a Solaris 11.0 install, are created using zfs send -i and piped through mbuffer. At ...
3
votes
1answer
676 views

Can you set inode quotas in ZFS?

I figured out how to set block quotas in ZFS from the documentation on oracle's site. I didn't see if / how to setup a quota on how many inodes a user gets, though. I realize that there may not be ...
4
votes
1answer
118 views

ZFS: will RAM shortage cause trouble?

what can happen if i've not enough RAM with a ZFS with dedup option activated?
1
vote
1answer
436 views

How set ZFS ACL permissions on CentOS 6

I use last ZFS (ZFS for Linux) on the CentOS 6. Create successfully pool, all working fine. But i have one question. How i can set ACL for ZFS folder/file? GNU ls, chmod, and other coreutils not ...
0
votes
2answers
225 views

How to find files with top io on solaris ZFS?

I have a Solaris 10 ZFS based NFS server. The physical disks are more or less at their maximum io rates. Performance is very bad - so we will add spindles. The NFS solely serves as storage for ...
1
vote
1answer
464 views

Solaris 11.1 ZFS Root rpool shows one disk unavailable and online, how to detach

This is an x86 Solaris 11.1 installation. I have two zfs pools R500 and rpool I wanted to upgrade R500 from 500GB disks to 2TB which I've done then use the 500GB disks as root rpool disks to replace ...
2
votes
2answers
1k views

How to remove the OpenSolaris ZFS dump device

The ZFS dump device is used only for debugging problems. In this case, I have decided the risk vs reward is such that I should delete the dump device to make room for other storage. I am able to ...
2
votes
1answer
423 views

Disk replace breaks disk naming convention in zpool

After replacing two broken disks in my RAID-Z2 pool, the output of zpool status looks strange. The disks are addressed with their full path and also seem to contain 'slices', which all other disk ...
2
votes
3answers
4k views

how do I add a new disk to ZFS and make it available existing mountpoints if the current pool is root pool?

My S11 server has the following configuration: disk #1 is used for rpool, which is the root pool I want to add disk #2 to increase the size available for the already mounted folders, but I can't add ...
0
votes
2answers
118 views

raidz plus mirror on the same disk different slice in 2 pools

I need a little assistance. I have 6 2TB disks. I'm planning to assign approximately 500GB to my root pool slice 0 mirrored with another disk, since one disk isn't used up I then decided to do a raidz ...
0
votes
1answer
775 views

Write access from a Windows client via a ZFS SMB, to a file created on the host in OpenIndiana

I've got an OpenIndiana server running ZFS that is shared using a nobody user and group. I don't fully understand Solaris ACL permissions, but I do know Linux style permissions. The client is Windows ...
0
votes
1answer
624 views

zfs pool error, how to determine which drive failed in the past

I had been copying data from my pool so that I could rebuild it with a different version so that I could go away from solaris 11 and to one that is portable between freebsd/openindia etc. it was ...
0
votes
1answer
361 views

How to find maximal value for “zfs set quota” without changing quota?

How do I find out how far I can go extending the quota on a ZFS file system (Solaris 10)? I was told to set zfs set quota=none and then set it back to the original value, but I'm not allowed to do it. ...
1
vote
0answers
201 views

Solaris x86 11.1 and qlt driver — only 3/4 ports attach

I'm using the QLogic QLE2564 4-port 8Gb HBA. The problem I have is that when I attach the qlt target mode driver to the card, only 3/4 ports attach the driver. ffffc10006854e58 pciex1077,2532, ...
1
vote
2answers
359 views

How to configure HA iSCSI for Solaris 10

BACKGROUND: We have a StarWind NAS that we are currently using for High Availability storage with our Windows network. Starwind has mirrored drives and multiple ip paths, that the Windows Server ...
2
votes
2answers
917 views

can I consolidate a multi-disk zfs zpool to a single (larger) disk?

I have this zpool: bash-3.2# zpool status dpool pool: dpool state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM ...
-1
votes
1answer
185 views

ZFS Configuration advice

I need some advice on configuring ZFS. Here is what I have: Physical Disks: 4x 3 TB 2x 2 TB 2x 1 TB What is the best configuration for my Vdevs and storage pool. I want to maximaze space but ...
1
vote
1answer
258 views

Can I recover a zpool after it's been exported, given that devices have not been reallocated?

I had a zpool we'll call 'testpool'. testpool had 3 devices included in it, and a single zfs called 'test'. I needed to move 'test' to a new, smaller pool. I wanted to name the new pool the same ...
1
vote
1answer
775 views

Solaris 10: How to remove devices from a zpool with /usr currently mounted?

I use Solaris 10 on SPARC. I have /usr legacy mounted on a zpool 'usr-pool'. I now need to move some of the devices in usr-pool to another zpool which is running out of room. What is the safest way ...
0
votes
1answer
128 views

Zpool list showing blank values

My problem is that when I call zpool list it gives this blank output.... NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT - - - - - - - - However a zfs ...
1
vote
0answers
110 views

Accidentally resilvered 2 drives

We had 2 failed drives in our ZFS raidz1 pool. One had been resilvered to a spare and another was just out. The pool was in degraded mode. I replaced both drives and began the resilver on the ...
1
vote
2answers
982 views

Solaris 10 x86 - trying to replace disk in zpool

I am having trouble replacing a disk on an existing zpool on a system running Solaris 10 on an x86 processor. The zpool was originally created with two mirrored slices. One of the drives failed, so I ...
1
vote
1answer
253 views

Nexenta, NFS and LOCK_EX

I'm currently using an LAMP architecture and I expect a big problem :( I have several http web server using PHP5. All are mounting via NFS (v3) the directory for all the hosted websites. The file ...
1
vote
1answer
250 views

How to Set up Amazon EC2 with Nexenta OS?

I want to use Nexenta os for testing purpose and really want to test it out over aws ec2. I couldnot find any Nexenta os ami's. So, i was wondering if there's any way to set up Nexenta os on aws ec2 ...
10
votes
2answers
489 views

Why are all of my ZFS snapshot directories empty?

I'm running an Oracle 11 box as a ZFS storage appliance, and I'm taking regular snapshots of the ZFS filesystems, via cron. In the past, I know that if I wanted to grab a particular file from a ...
6
votes
1answer
1k views

Does ZFS replace the need for hardware/software RAID?

I want to provide protection against data loss on my servers. Typically, I'd use hardware RAID 1 or 5, but I've been reading up on ZFS. Is it correct that ZFS itself provides RAID 1 or 5 like data ...
4
votes
1answer
865 views

Solaris 11 hangs randomly: need help to figure out the reason

I've got Solaris 11 (+latest SRU) running on an HP DL385 G7 (attached to P2000 storage w. 30 disks; they are registered as separate RAID0 drives, but I'm using ZFS' raidz1), which is our file server. ...
0
votes
2answers
97 views

ZFS pools and filesystems

is there any way to understand (using zfs and zpool commads) to whcih pool is a ZFS filesystem assigned? Thanks in advance
1
vote
2answers
218 views

Any way to know what files were in a broken ZFS pool?

I have a large ZFS pool of 4 combined drives. Now, the filesystem can not be mounted: pool: tank state: UNAVAIL status: One or more devices could not be opened. There are insufficient ...
3
votes
2answers
1k views

Building one big filesystem with JBOD and ZFS

How to build a really big ZFS filesystem? The above question is vague in the 1st reading, so more precise. I know how to build big ZFS volume with one computer. e.g. get a good computer with ECC ...
1
vote
1answer
572 views

Solaris Administration Web GUI?

I recently installed Solaris 11 x86 text install ( http://www.oracle.com/technetwork/server-storage/solaris11/downloads/index.html?ssSourceSiteId=ocomen) to be used as a file server running ZFS. I ...
2
votes
1answer
355 views

ZFS CIFS shares, clients can't see mount points of other shares in root folder?

I'm in the process of migrating data from a Win2k3 file server to a box running Solaris. All was going well until I started coming across nested shares. An example of this is a share that the ...