Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-18 Thread Florian Philipp
Am 17.03.2010 22:00, schrieb Neil Bothwick: > On Wed, 17 Mar 2010 21:44:34 +0100, Florian Philipp wrote: > >> Just for clarification: Is it really necessary to unplug the broken disk >> for this to work? >> If read access fails on sda and the BIOS tries sdb, would this also >> work? Isn't grub's h

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-17 Thread Neil Bothwick
On Wed, 17 Mar 2010 21:44:34 +0100, Florian Philipp wrote: > Just for clarification: Is it really necessary to unplug the broken disk > for this to work? > If read access fails on sda and the BIOS tries sdb, would this also > work? Isn't grub's hd0 always the disk on which grub resides (e.g. the >

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-17 Thread Florian Philipp
Am 16.03.2010 22:26, schrieb Neil Bothwick: > On Tue, 16 Mar 2010 20:13:29 +, Stroller wrote: > How does your system boot if your RAID1 system volume fails? >>> >>> You put GRUB on both disks, then you can boot from either on its >>> own. >> >> Is this reliable? I don't contest it, I'

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-17 Thread Iain Buchanan
On Mon, 2010-03-15 at 09:37 -0500, Harry Putnam wrote: > There was talk of opensolaris going by the wayside with the Oracle > takeover of Sun... but Oracle has since announced its intention of > puttin even more resources into `opensolaris' development than Sun was > doing. that will kill it for

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-16 Thread Neil Bothwick
On Tue, 16 Mar 2010 20:13:29 +, Stroller wrote: > >> How does your system boot if your RAID1 system volume fails? > > > > You put GRUB on both disks, then you can boot from either on its > > own. > > Is this reliable? I don't contest it, I'm just asking. It's just this > was one of my c

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-16 Thread Steve
On 16/03/2010 19:57, Stroller wrote: > How does your system boot if your RAID1 system volume fails? The one > you have grub on? I think you mentioned a flash drive, which I've seen > mentioned before. This seems sound, but just to point out that's > another, different, single point of failure. Well

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-16 Thread J. Roeleveld
On Tuesday 16 March 2010 21:13:29 Stroller wrote: > On 16 Mar 2010, at 20:04, Neil Bothwick wrote: > > On Tue, 16 Mar 2010 19:57:49 +, Stroller wrote: > >> How does your system boot if your RAID1 system volume fails? > > > > You put GRUB on both disks, then you can boot from either on its own.

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-16 Thread Stroller
On 16 Mar 2010, at 20:04, Neil Bothwick wrote: On Tue, 16 Mar 2010 19:57:49 +, Stroller wrote: How does your system boot if your RAID1 system volume fails? You put GRUB on both disks, then you can boot from either on its own. Is this reliable? I don't contest it, I'm just asking. It's

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-16 Thread Neil Bothwick
On Tue, 16 Mar 2010 19:57:49 +, Stroller wrote: > How does your system boot if your RAID1 system volume fails? You put GRUB on both disks, then you can boot from either on its own. -- Neil Bothwick Growing old is mandatory; growing up is optional!! signature.asc Description: PGP signatu

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-16 Thread Stroller
On 16 Mar 2010, at 16:32, Steve wrote: ... Given the point above I would also stick with software RAID. ... If reliability is your primary concern, I would go for a simple RAID1 setup; Absolutely. Software raid is cheaper and implies less hardware to fail. Similarly, RAID1 minimises the to

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-16 Thread Steve
On 15/03/2010 22:29, Andrea Conti wrote: > This IMHO pretty much rules out any kind of server-class hardware, which > tends to be both costly and power-hungry. If you're thinking about > buying used stuff, be sure to factor in the cost and difficulty of > finding spares in some years' time. > I'

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-15 Thread Andrea Conti
Hi, > The budget is miniscule - and the performance demands > (bandwidth and latency) are completely non-challenging. This IMHO pretty much rules out any kind of server-class hardware, which tends to be both costly and power-hungry. If you're thinking about buying used stuff, be sure to factor in

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-15 Thread Steve
On 15/03/2010 18:21, Stroller wrote: > It's hard to be more specific without knowing your usage. Yes... I was deliberately vague to see what options came up... but I can be more specific. The budget is miniscule - and the performance demands (bandwidth and latency) are completely non-challenging.

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-15 Thread Stroller
On 15 Mar 2010, at 16:26, Steve wrote: ... From ages ago, I remember iSCSI being bandied about. Did that ever go anywhere (i.e. is this easy to do from Gentoo?) I believe it is quite widely used - it is mentioned often on the linux- poweredge list. I would imagine the Linux kernel allows mou

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-15 Thread Steve
On 15/03/2010 15:49, Kyle Bader wrote: > +1 on zfs w/ solaris for storage, just don't go cheap and get desktop disks. > I have to admit, I do like the idea of ZFS, though not quite enough to justify maintaining Solaris in addition to my other infrastructure. I was thinking about something rathe

Re: [gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-15 Thread Kyle Bader
+1 on zfs w/ solaris for storage, just don't go cheap and get desktop disks. -- Kyle

[gentoo-user] Re: Strategy for using SAN/NAS for storage with Gentoo...

2010-03-15 Thread Harry Putnam
Steve writes: > I have recently started looking at server resilience and availability in > the context of a hardware failure or hardware upgrade. I've come to the > conclusion that it would be very desirable if terrabyte-scale data did > not need to be restored from backup. This isn't a commerc