I'm not sure if it's been mentioned in this thread or not (if so, please forgive me), but do be aware that Linux software RAID does not pass the TRIM command through to the underlying disks, so I wouldn't do it with SSD. For spinning disks, though, yes.
--Matt On Tue, Jan 3, 2012 at 3:16 PM, Adam Tauno Williams <[email protected]>wrote: > On Tue, 2012-01-03 at 11:12 -0800, Anton Cohen wrote: > > On Tue, Jan 3, 2012 at 10:49 AM, Will Dennis <[email protected]> > > First make sure your BIOS RAID is disabled, there should be a way to > > present the drives as native SATA disks. > > You don't need /boot if you are using md RAID 1 without LVM. If you > > are using LVM or another RAID level you need /boot as a separate > > partition/mount point. > > Don't create a single large partition that you RAID. Instead > > create multiple real partition RAIDed into multiple md devices. > > With LVM: > > sda1 = small partition for /boot > > sda2 = large partition for LVM > > sdb1 = small partition for /boot > > sdb2 = large partition for LVM > > md0 = sda1 + sdb1 for /boot > > md1 = sda2 + sdb2 for LVM > > + 1 Use this configuration. > > You can break out swap if you want: > > md0: /boot (sda1 + sdb1) > md1: swap (sda2 + sdb2) > md2: LVM (sda3 + sdb3) > VG/LV: / > VG/LV: /home > ...etc... > > Some people feel that avoiding LVM for swap gives a modicrum of > performance improvement - but unless you are tearing up the I/O you > won't notice. > > -- > System & Network Administrator [ LPI & NCLA ] > <http://www.whitemiceconsulting.com> > OpenGroupware Developer <http://www.opengroupware.us> > Adam Tauno Williams > > _______________________________________________ > Tech mailing list > [email protected] > https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech > This list provided by the League of Professional System Administrators > http://lopsa.org/ > -- LITTLE GIRL: But which cookie will you eat FIRST? COOKIE MONSTER: Me think you have misconception of cookie-eating process.
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