1
vote
2answers
232 views

I/O Errors but no smart or ZFS errors

I'm having trouble to identify a problem for a friend of my. He is running ZFS on Linux with the Debian distribution. We are getting these entries into the dmesg. [273044.834151] mpt2sas0: ...
0
votes
1answer
86 views

Samba intermittently timing out on writes to a ZFS share

I'm experiencing an odd problem on a file server intermittently failing when writing files. The problem occurs when I try to write a number of files from a (Windows 7) client at once. ...
0
votes
1answer
449 views

Debian KVM and location for vm images different than /var/lib/libvirt/images

I have defined storage pool for VMs on ZFS: virsh # pool-dumpxml zfs <pool type='dir'> <name>zfs</name> <uuid>b2fba550-467f-8133-dee8-44ada7d0a807</uuid> ...
5
votes
4answers
1k views

What are the performance implications of running VMs on a ZFS host?

I'm considering migrating from ext3 to ZFS for data storage on my Debian Linux host, using ZFS on Linux. One killer feature of ZFS that I really want is its data integrity guarantees. The ability to ...
25
votes
1answer
1k views

ZFS endless resilvering

I have a large (> 100TB) ZFS (FUSE) pool on Debian that lost two drives. As the drives failed, I replaced them with spares until I could schedule an outage and physically replace the bad disks. When ...
2
votes
1answer
573 views

How best to integrate PPA into Debian?

I'm working with ZFS on Linux, on my Debian squeeze server. I've found a useful package in an Ubuntu PPA, apparently by one of the ZoL developers, and I would like to integrate it into my package ...
1
vote
1answer
227 views

Why is a ZFS pool not persisting over server restart?

I have a ZFS pool with 4 drives. It also has a 3gb ZIL and a 20GB L2ARC that are each partitions on an SDD that doubles as my Linux Mint (ver. 13) boot drive. The pool is mounted to /data. The ...
-1
votes
1answer
199 views

Debian on HP ProLiant server hangs (disk i/o is my guess)

I installed Debian (2.6.32-5-amd64) on my HP ProLiant MicroServer (purchased recently.) I also added 3 2tb hd in zfs. I've experienced several server froze. Sometimes it showed Soft lockup CUP stuck ...
1
vote
2answers
1k views

Poor ZFS (raidz) i/o performance in Debian

The problem I am facing is on my Debian box (HP MicroServer N40L) running ZFS, which is compiled from source downloaded from zfsonlinux.com, seems to perform poorly. The pool is created from 3 ...
0
votes
1answer
107 views

Samba shows each file several times in the same folder

I have Samba 3.5.11 on Debian/kfreebsd sid. (Also tested with 3.6.1 from experimental) I have a zfs filesystem Storage/Photos. If I open one the the folders on there (Storage/Photos/folder1) it shows ...
1
vote
2answers
288 views

Debian/kFreeBSD using ACLs on ZFS

How can I use ACLs on a ZFS filesystem under Debian/kFreeBSD? uname -a GNU/kFreeBSD foo1 8.2-1-amd64 #0 Thu Oct 27 20:48:27 UTC 2011 x86_64 amd64 Intel(R) Xeon(R) CPU X3220 @ 2.40GHz GNU/kFreeBSD ...
2
votes
1answer
404 views

Monitoring ZFS-FUSE

I am setting up a Debian-based host with a bunch of KVM-based virtual machines. Images of these VMs reside on a ZFS volume (I use ZFS-FUSE 0.6.9). Performance results seem to be very different from my ...
3
votes
1answer
238 views

Why is my CIFS share showing the same files multiple times?

I have a Debian backup server running the FreeBSD kernel and a ZFS filesystem on which I store backups, using ZFS's snapshot and compression technologies. The Debian server uses rsync to pull files ...
4
votes
6answers
1k views

Will Debian (GNU/kFreeBSD) + official ZFS support be a stable configuration?

Looks like Debian 6.0 (Squeeze) will be supporting ZFS via the official GNU/kFreeBSD kernel. This opens a possibility of converting our Debian GNU/Linux cluster's dedicated NAS server from ...