Re: [zfs-discuss] Performance issues with iSCSI under Linux [SEC=UNCLASSIFIED]

2010-10-14 Thread Wilkinson, Alex
0n Thu, Oct 14, 2010 at 09:54:09PM -0400, Edward Ned Harvey wrote: >If you happen to find that MegaCLI is the right tool for your hardware, let >me know, and I'll paste a few commands here, which will simplify your life. >When I first started using it, I found it terribly cumbers

Re: [zfs-discuss] Postmortem - file system recovered [SEC=UNCLASSIFIED]

2010-08-29 Thread Wilkinson, Alex
0n Sun, Aug 29, 2010 at 08:09:22PM -0700, Brian wrote: >The fix: >"""the trick was to modify mode in in-kernel buffer containing znode_phys_t and then force ZFS to flush it out to disk.""" Can you give an example of how you did this ? -Alex IMPORTANT: This email remains the pr

Re: [zfs-discuss] slog and TRIM support [SEC=UNCLASSIFIED]

2010-08-25 Thread Wilkinson, Alex
0n Wed, Aug 25, 2010 at 02:54:42PM -0400, LaoTsao ?? wrote: >IMHO, U want -E for ZIL and -M for L2ARC Why ? -Alex IMPORTANT: This email remains the property of the Department of Defence and is subject to the jurisdiction of section 70 of the Crimes Act 1914. If you have recei

Re: [zfs-discuss] zpool fragmentation issues? (dovecot) [SEC=UNCLASSIFIED]

2010-01-14 Thread Wilkinson, Alex
0n Thu, Jan 14, 2010 at 08:43:06PM -0800, Michael Keller wrote: >> The best Mail Box to use under Dovecot for ZFS is >> MailDir, each email is store as a individual file. > >Can not agree on that. dbox is about 10x faster - at least if you have > 1 messages in one mailbo

Re: [zfs-discuss] ZFS Tutorial slides from USENIX LISA09 [SEC=UNCLASSIFIED]

2010-01-07 Thread Wilkinson, Alex
0n Thu, Jan 07, 2010 at 10:49:50AM -0800, Richard Elling wrote: >I have posted my ZFS Tutorial slides from USENIX LISA09 on >slideshare.net. >http://richardelling.blogspot.com/2010/01/zfs-tutorial-at-usenix-lisa09-slides.html Is there a PDF available of this ? -Alex IMP

Re: [zfs-discuss] rethinking RaidZ and Record size [SEC=UNCLASSIFIED]

2010-01-06 Thread Wilkinson, Alex
0n Wed, Jan 06, 2010 at 11:00:49PM -0800, Richard Elling wrote: >On Jan 6, 2010, at 10:39 PM, Wilkinson, Alex wrote: >> >>0n Wed, Jan 06, 2010 at 02:22:19PM -0800, Richard Elling wrote: >> >>> Rather, ZFS works very nicely with &q

Re: [zfs-discuss] rethinking RaidZ and Record size [SEC=UNCLASSIFIED]

2010-01-06 Thread Wilkinson, Alex
0n Wed, Jan 06, 2010 at 02:22:19PM -0800, Richard Elling wrote: >Rather, ZFS works very nicely with "hardware RAID" systems or JBODs >iSCSI, et.al. You can happily add the Im not sure how ZFS works very nicely with say for example an EMC Cx310 array ? -Alex IMPORTANT: This ema

Re: [zfs-discuss] ZFS + EMC Cx310 Array (JBOD ? Or Singe MetaLUN ?)

2009-04-30 Thread Wilkinson, Alex
0n Thu, Apr 30, 2009 at 11:11:55AM -0500, Bob Friesenhahn wrote: >On Thu, 30 Apr 2009, Wilkinson, Alex wrote: >> >> I currently have a single 17TB MetaLUN that i am about to present to an >> OpenSolaris initiator and it will obviously be ZFS. Howe

Re: [zfs-discuss] ZFS + EMC Cx310 Array (JBOD ? Or Singe MetaLUN ?)

2009-04-30 Thread Wilkinson, Alex
0n Thu, Apr 30, 2009 at 11:11:55AM -0500, Bob Friesenhahn wrote: >On Thu, 30 Apr 2009, Wilkinson, Alex wrote: >> >> I currently have a single 17TB MetaLUN that i am about to present to an >> OpenSolaris initiator and it will obviously be ZFS. Howe

[zfs-discuss] ZFS + EMC Cx310 Array (JBOD ? Or Singe MetaLUN ?)

2009-04-30 Thread Wilkinson, Alex
Hi all, In terms of best practices and high performance would it be better to present a JBOD to an OpenSolaris initiator or a single MetaLUN ? The scenario is: I currently have a single 17TB MetaLUN that i am about to present to an OpenSolaris initiator and it will obviously be ZFS. However, I a

Re: [zfs-discuss] Solved - a big THANKS to Victor Latushkin @ Sun / Moscow

2008-10-09 Thread Wilkinson, Alex
0n Thu, Oct 09, 2008 at 06:37:23AM -0500, Mike Gerdts wrote: >FWIW, I belive that I have hit the same type of bug as the OP in the >following combinations: > >- T2000, LDoms 1.0, various builds of Nevada in control and guest > domains. >- Laptop, VirtualBox 1.6.2, Wi

Re: [zfs-discuss] An slog experiment (my NAS can beat up your NAS)

2008-10-08 Thread Wilkinson, Alex
0n Sat, Oct 04, 2008 at 10:37:26PM -0700, Chris Greer wrote: >The big thing here is I ended up getting a MASSIVE boost in >performance even with the overhead of the 1GB link, and iSCSI. >The iorate test I was using went from 3073 IOPS on 90% sequential >writes to 23953 IOPS w

Re: [zfs-discuss] Quantifying ZFS reliability

2008-09-29 Thread Wilkinson, Alex
0n Mon, Sep 29, 2008 at 09:28:53PM -0700, Richard Elling wrote: >EMC does not, and cannot, provide end-to-end data validation. So how >would measure its data reliability? If you search the ZFS-discuss archives, >you will find instances where people using high-end storage also

Re: [zfs-discuss] Sun samba <-> ZFS ACLs

2008-09-03 Thread Wilkinson, Alex
0n Wed, Sep 03, 2008 at 12:57:52PM -0700, Paul B. Henson wrote: >I tried installing the Sun provided samba source code package to try to do >some debugging on my own, but it won't even compile, configure fails with: Oh, where did you get that from ? -aW IMPORTANT: This email remai

Re: [zfs-discuss] GUI support for ZFS root?

2008-08-15 Thread Wilkinson, Alex
0n Thu, Aug 14, 2008 at 09:00:12AM -0700, Rich Teer wrote: >Summary: Solaris Express Community Edition (SXCE) is like the OpenSolaris >of old; OpenSolaris .xx is apparently Sun's intended future direction >for Solaris. Based on what I've heard, I've not tried the latter. If