[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

[zfs-discuss] Resilver Performance and Behavior

2009-04-30 Thread Paul Kraus
Sorry in advance if this has already been discussed, but I did not find it in my archives of the list. According to the ZFS documentation, a resilver operation includes what is effectively a dirty region log (DRL) so that if the resilver is interrupted, by a snapshot or reboot, the resilve

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

2009-04-30 Thread Darren J Moffat
Wilkinson, Alex wrote: 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 obvio

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

2009-04-30 Thread Miles Nordin
> "djm" == Darren J Moffat writes: djm> If you only present a single lun to ZFS it may not be able to djm> repair any detected errors. And also the problems with pools becoming corrupt and unimportable, especially when the SAN reboots or loses connectivity and the host does not, that p

Re: [zfs-discuss] Resilver Performance and Behavior

2009-04-30 Thread Matthew Ahrens
Paul Kraus wrote: Sorry in advance if this has already been discussed, but I did not find it in my archives of the list. According to the ZFS documentation, a resilver operation includes what is effectively a dirty region log (DRL) so that if the resilver is interrupted, by a snapshot or

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

2009-04-30 Thread Bob Friesenhahn
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. However, I am constantly reading that presenting a JBOD and using ZFS to manage the RAID is best practice ? Im not really sure w

[zfs-discuss] ? ZFS encryption with root pool

2009-04-30 Thread Ulrich Graef
According: ZFS encryption Will it be possible to have an encrypted root pool? Integration with TPM? Regards, Ulrich -- | Ulrich Graef, Senior System Engineer, OS Ambassador\ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org htt

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. However, I am constantly >>

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

2009-04-30 Thread Scott Lawson
Wilkinson, Alex wrote: 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. However

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. However, I am constantly >>

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

2009-04-30 Thread Scott Lawson
Wilkinson, Alex wrote: 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. However