[zfs-discuss] Very high system loads with ZFS

2006-10-29 Thread Peter Guthrie
I have a home email/fileserver based on a Netra X1 with two 120Gb disks and 2Gb RAM which I updated to S10 6/06 so that I could ZFS for mirroring and snapshotting a data slice. Both disks are partitioned identically: slice 0 is 20Gb is root and mirrored (with SVM) and UFS, slice 1 is swap, slice

Re: [zfs-discuss] Very high system loads with ZFS

2006-10-29 Thread Daniel Rock
Peter Guthrie schrieb: So far I've seen *very* high loads twice using ZFS which does not > happen when the same task is implemented with UFS This is a known bug in the SPARC IDE driver. http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6421427 You could try the following workaround u

Re: [zfs-discuss] Current status of a ZFS root

2006-10-29 Thread Richard Elling - PAE
Chris Adams wrote: We're looking at replacing a current Linux server with a T1000 + a fiber channel enclosure to take advantage of ZFS. Unfortunately, the T1000 only has a single drive bay (!) which makes it impossible to follow our normal practice of mirroring the root file system; naturally t

Re: [zfs-discuss] Current status of a ZFS root

2006-10-29 Thread Matt Ingenthron
Richard Elling - PAE wrote: Is anyone actually booting ZFS in production and, if so, would you recommend this approach? At this time, I would not recommend it for SPARC systems. I'll note that I've been using S10U2 on a similar system (two drives) with slices. I currently have S10U2 with sp

CLARIFICATION: Re: [zfs-discuss] Current status of a ZFS root

2006-10-29 Thread Richard Elling - PAE
CLARIFICATION below. Richard Elling - PAE wrote: Chris Adams wrote: We're looking at replacing a current Linux server with a T1000 + a fiber channel enclosure to take advantage of ZFS. Unfortunately, the T1000 only has a single drive bay (!) which makes it impossible to follow our normal prac

Re: [zfs-discuss] Re: Re: Snapshots impact on performance

2006-10-29 Thread Jeff Bonwick
> Nice, this is definitely pointing the finger more definitively. Next > time could you try: > > dtrace -n '[EMAIL PROTECTED](20)] = count()}' -c 'sleep 5' > > (just send the last 10 or so stack traces) > > In the mean time I'll talk with our SPA experts and see if I can figure > out how to f

[zfs-discuss] copying a large file..

2006-10-29 Thread Pavan Reddy
'mv' command took very long time to copy a large file from one ZFS directory to another. The directories share the same pool and file system. I had a 385 MB file in one directory and wanted to move that to a different directory. It took long time to move. Any particular reasons? There is no rai

Re: [zfs-discuss] copying a large file..

2006-10-29 Thread Nathan Kroenert
Some details on what a long time is might be of help to us... Also - Some details on what type of hardware you are using... There are a number of known issues, as well as a number of known physical limitations that might get in your way. (eg: using multiple slices of the same disk in the same poo

Re: [zfs-discuss] copying a large file..

2006-10-29 Thread Erblichs
Hi, How much time is a "long time"? Second, had a snapshot been taken after the file was created? Are the src and dst directories in the same slice? What other work was being done at the time of the move? Were their numerous fil

Re: [zfs-discuss] Very high system loads with ZFS

2006-10-29 Thread eric kustarz
Daniel Rock wrote: Peter Guthrie schrieb: So far I've seen *very* high loads twice using ZFS which does not > happen when the same task is implemented with UFS This is a known bug in the SPARC IDE driver. http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6421427 You could try the

[zfs-discuss] Re: copying a large file..

2006-10-29 Thread Pavan Reddy
This is the time it took to move the file: The machine is a Intel P4 - 512MB RAM. bash-3.00# time mv ../share/pav.tar . real1m26.334s user0m0.003s sys 0m7.397s bash-3.00# ls -l pav.tar -rw-r--r-- 1 root root 516628480 Oct 29 19:30 pav.tar A similar move on my Mac OS X

Re: [zfs-discuss] Re: copying a large file..

2006-10-29 Thread eric kustarz
Pavan Reddy wrote: This is the time it took to move the file: The machine is a Intel P4 - 512MB RAM. bash-3.00# time mv ../share/pav.tar . real1m26.334s user0m0.003s sys 0m7.397s bash-3.00# ls -l pav.tar -rw-r--r-- 1 root root 516628480 Oct 29 19:30 pav.tar A simila