Date: Mon, 16 Nov 2015 23:57:34 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Freddie Cash <fjwcash@gmail.com> Cc: Kevin Oberman <rkoberman@gmail.com>, freebsd-scsi@freebsd.org, Royce Williams <royce@tycho.org>, freebsd-stable <freebsd-stable@freebsd.org>, Borja Marcos <borjam@sarenet.es>, Kai Gallasch <k@free.de> Subject: Re: LSI SAS2008 mps driver preferred firmware version Message-ID: <20151116205734.GM48728@zxy.spb.ru> In-Reply-To: <CAOjFWZ4Js65gQZc6rbT9SKg-jZozziTa=JGpJys6HyejdgWP%2Bg@mail.gmail.com> References: <5644FF09.9090200@free.de> <CA%2BE3k93QrUFA3BvhoswkVDXh2bR2aLYG6Z0TOrisVvNL=%2BMZVA@mail.gmail.com> <56472686.5030301@free.de> <20151114143104.GA41119@in-addr.com> <7710CBCC-E68F-4454-9E29-E50ED1C6B511@sarenet.es> <CAN6yY1sH0PnnF_AGwDsA75i_Z6ptOr4J0c_Gqrt%2BRFO6eZsW-Q@mail.gmail.com> <CAOjFWZ4Js65gQZc6rbT9SKg-jZozziTa=JGpJys6HyejdgWP%2Bg@mail.gmail.com>
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On Mon, Nov 16, 2015 at 11:40:12AM -0800, Freddie Cash wrote: > On Mon, Nov 16, 2015 at 11:36 AM, Kevin Oberman <rkoberman@gmail.com> wrote: > > > On Mon, Nov 16, 2015 at 1:00 AM, Borja Marcos <borjam@sarenet.es> wrote: > > > > > > > > On Nov 14, 2015, at 3:31 PM, Gary Palmer wrote: > > > > > > > You can do thinks in /boot/loader.conf to hard code bus and drive > > > > assignments. > > > > > > > > e.g. > > > > > > > > hint.da.0.at="scbus0" > > > > hint.da.0.target="19" > > > > hint.da.0.unit="0" > > > > hint.da.1.at="scbus0" > > > > hint.da.1.target="18" > > > > hint.da.1.unit="0" > > > > > > Beware, the target number assignment is not predictable. There's no > > > guarantee especially if you replace > > > a disk. > > > > > > > > > > > > > > > > > > Borja. > > > > > > > As already mentioned, unless you are using zfs, use gpart to label you file > > systems/disks. Then use the /dev/gpt/LABEL as the mount device in fstab. > > > > Even if you are using ZFS, labelling the drives with the location of the > disk in the system (enclosure, column, row, whatever) makes things so much > easier to work with when there are disk-related issues. > > Just create a single partition that covers the whole disk, label it, and > use the label to create the vdevs in the pool. Bad idea. Re-placed disk in different bay don't relabel automaticly. Other issuse where disk placed in bay some remotely hands in data center -- I am relay don't know how disk distributed by bays. Best way for identify disk -- uses enclouse services. I have many sites with ZFS on whole disk and some sites with ZFS on GPT partition. ZFS on GPT more heavy for administration.
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