Re: HAST, zfs and local mirroring

2016-06-06 Thread Sami Halabi
hi, another suggestion would be using mirrored zfsOnRoot on each host (out of the 2 local disks) and then use zrep to sync the pools. use with combination of carp to active/standby cluster. Sami בתאריך 3 ביוני 2016 11:11 PM,‏ "Peter Jeremy" כתב: > On 2016-Jun-03 22:12:55

Re: HAST, zfs and local mirroring

2016-06-03 Thread Peter Jeremy
On 2016-Jun-03 22:12:55 +0700, Eugene Grosbein wrote: >> all your media content is valid. I've also had bad experiences with >> gmirror volumes silently getting out of sync on a crash. > > >gmirror or (gmirror+gjournal) ones? Plain gmirror. -- Peter Jeremy signature.asc

Re: HAST, zfs and local mirroring

2016-06-03 Thread Freddie Cash
On Fri, Jun 3, 2016 at 1:40 AM, Eugene M. Zheganin wrote: > Hi. > > On 02.06.16 19:50, Slawa Olhovchenkov wrote: > > I am suggesting next setup: > > > > node0: > > own pool zroot0: mirror-0: local_disk0 > >remote-iscsi_disk1/1 > >

Re: HAST, zfs and local mirroring

2016-06-03 Thread Eugene Grosbein
03.06.2016 2:48, Peter Jeremy пишет: On 2016-Jun-02 12:12:35 +0500, "Eugene M. Zheganin" wrote: differs a lot ? And why should I prefere this overcomplicated scheme over the geom_mirror, which seems rather simple when comparing. Seems like I can point HAST to

Re: HAST, zfs and local mirroring

2016-06-03 Thread Pete French
> You message lead me to a though that I could use iSCSI to replicate the > zfs pool from node1 to both iSCSI-provided disk on a node2 in a 4-way > mirror, right ? Are there any obvious obstacles to this, that I don't > see, considering the bandwith will be enough ? I have spent a long time doing

Re: HAST, zfs and local mirroring

2016-06-03 Thread Slawa Olhovchenkov
On Fri, Jun 03, 2016 at 02:05:07PM +0500, Eugene M. Zheganin wrote: > Hi, > > On 02.06.16 19:50, Slawa Olhovchenkov wrote: > > > > I am suggesting next setup: > > > > node0: > > own pool zroot0: mirror-0: local_disk0 > > remote-iscsi_disk1/1 > > local_disk1:

Re: HAST, zfs and local mirroring

2016-06-03 Thread Slawa Olhovchenkov
On Fri, Jun 03, 2016 at 01:40:54PM +0500, Eugene M. Zheganin wrote: > Hi. > > On 02.06.16 19:50, Slawa Olhovchenkov wrote: > > I am suggesting next setup: > > > > node0: > > own pool zroot0: mirror-0: local_disk0 > > remote-iscsi_disk1/1 > > local_disk1:

Re: HAST, zfs and local mirroring

2016-06-03 Thread Eugene M. Zheganin
Hi, On 02.06.16 19:50, Slawa Olhovchenkov wrote: > > I am suggesting next setup: > > node0: > own pool zroot0: mirror-0: local_disk0 >remote-iscsi_disk1/1 > local_disk1: exported by iscsi as remote-iscsi_disk0/1 to node1 > > node1: > own pool zroot1:

Re: HAST, zfs and local mirroring

2016-06-03 Thread Eugene M. Zheganin
Hi. On 02.06.16 19:50, Slawa Olhovchenkov wrote: > I am suggesting next setup: > > node0: > own pool zroot0: mirror-0: local_disk0 >remote-iscsi_disk1/1 > local_disk1: exported by iscsi as remote-iscsi_disk0/1 to node1 > > node1: > own pool zroot1:

Re: HAST, zfs and local mirroring

2016-06-02 Thread Peter Jeremy
On 2016-Jun-02 12:12:35 +0500, "Eugene M. Zheganin" wrote: >differs a lot ? And why should I prefere this overcomplicated scheme >over the geom_mirror, which seems rather simple when comparing. Seems >like I can point HAST to /dev/mirror/whatever device, right ? Because using

Re: HAST, zfs and local mirroring

2016-06-02 Thread Slawa Olhovchenkov
On Thu, Jun 02, 2016 at 12:12:35PM +0500, Eugene M. Zheganin wrote: > Hi. > > On 01.06.16 18:23, Slawa Olhovchenkov wrote: > > > > Only FS support changed data bypass FS layer is Files-11 ODS-2 level, > > may be hardware support required. > > > > Can you use ZFS mirror with one vdev local and

Re: HAST, zfs and local mirroring

2016-06-02 Thread Eugene M. Zheganin
Hi. On 01.06.16 18:23, Slawa Olhovchenkov wrote: > > Only FS support changed data bypass FS layer is Files-11 ODS-2 level, > may be hardware support required. > > Can you use ZFS mirror with one vdev local and other vdev by iSCSI? > Every node using separate ZFS pool in this case. If you mean

Re: HAST, zfs and local mirroring

2016-06-01 Thread Slawa Olhovchenkov
On Tue, May 31, 2016 at 11:18:32PM +0500, Eugene M. Zheganin wrote: > Hi. > > I wat to start using HAST, I have two nodes and a pair of disk on each > node. So I want to use HASt in an environment where each HAST resource > would be mirrored. What is the preferred approach if I want to use ZFS

Re: HAST, zfs and local mirroring

2016-06-01 Thread Eugene M. Zheganin
Hi. On 01.06.16 02:49, Freddie Cash wrote: > On Tue, May 31, 2016 at 11:18 AM, Eugene M. Zheganin > >wrote: > > I wat to start using HAST, I have two nodes and a pair of disk on > each node. So I want to use HASt in an environment where each

Re: HAST, zfs and local mirroring

2016-05-31 Thread Freddie Cash
On Tue, May 31, 2016 at 11:18 AM, Eugene M. Zheganin wrote: > I wat to start using HAST, I have two nodes and a pair of disk on each > node. So I want to use HASt in an environment where each HAST resource > would be mirrored. What is the preferred approach if I want to use

HAST, zfs and local mirroring

2016-05-31 Thread Eugene M. Zheganin
Hi. I wat to start using HAST, I have two nodes and a pair of disk on each node. So I want to use HASt in an environment where each HAST resource would be mirrored. What is the preferred approach if I want to use ZFS on an end-device to avoid exsessive fscking, and, in the same time, I want