From: Wols Lists <antlists@youngman.org.uk>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Hard drive storage questions
Date: Fri, 9 Nov 2018 09:24:15 +0000 [thread overview]
Message-ID: <5BE5523F.4070906@youngman.org.uk> (raw)
In-Reply-To: <9b5365ed-5cca-54b3-0da7-bbbe697b4c40@gmail.com>
On 09/11/18 01:16, Dale wrote:
> Howdy to all,
>
> I have a interesting problem coming up. Currently, I have two 3TB
> drives for my /home mount point. A lot of this is videos but some pdf
> files and other documents as well plus a photo collection of family
> stuff etc.
>
> Filesystem Size Used Avail Use%
> Mounted on
> /dev/mapper/Home2-Home2 5.4T 3.7T 1.8T 68% /home
>
> I've got a little over 25% or so of usable space left. At that point or
> shortly thereafter, it could start causing some issues according to what
> I've read anyway. Either way, shortly after that, being full will
> certainly be a issue. I'm full up on my motherboard SATA ports. Even
> if I buy a larger drive or drives, I'd have to unplug one to move things
> over and likely repeat that a few times. I could do that and likely
> will have to anyway but I'm trying to think a little farther ahead.
> Currently I have the more important stuff backed up to a external single
> 6TB USB drive, previous thread on that. I'm trying to come up with a
> plan that allows me to grow easier and without having to worry about
> running out of motherboard based ports.
>
Rich's ideas sound good. I'm in a similar situation to you - I'm about
to outgrow my existing 3TB setup, but I've got a new 4TB lined up
waiting to go (if I can get it to POST).
Small consumer grade SATA expansions are about £35, you should be able
to get a card that does port multiplier for that money, so that's 8 SATA
drives on that card. Watch out - while I would recommend them, some
cards are advertised as "2 SATA, 2 eSATA". That's only two ports, that
can be jumper-switched between SATA or eSATA. Great for backup or
disaster recovery as well as expansion.
Then think about how you're going to lay your filesystem out. My system
currently has three partitions (/, /var and /home). Mirrored (md raid 1)
onto a second 3TB drive, giving me 6TB total. Actually, not very
conducive to future expansion.
The new system is going to have the bare-metal drives set up as one huge
partition (actually not quite true - they'll be a 3TB and a 1TB for
practical reasons). The 3TB partitions will be raided into a raid 5 with
one of the old drives. The 1TB partitions will be raid 1 (system and
home, basically).
I'll then put lvm on the two raids before actually partitioning that to
give me /, /home, and anything else I want.
At this point, I can now replace any of the drives, grow my raid, my
lvm, or my partitions, at any time and underneath a running system
(okay, I don't have hotplug so I'd have to shut down the system to
physically swap a drive over, but ...).
And I'm thinking about btrfs, but the one thing you have to be really
careful with that is snapshots running out of space.
Cheers,
Wol
next prev parent reply other threads:[~2018-11-09 9:24 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-09 1:16 [gentoo-user] Hard drive storage questions Dale
2018-11-09 1:31 ` Jack
2018-11-09 1:43 ` Dale
2018-11-09 2:04 ` Andrew Lowe
2018-11-09 2:07 ` Bill Kenworthy
2018-11-09 8:39 ` Neil Bothwick
2018-11-09 2:29 ` Rich Freeman
2018-11-09 8:17 ` Bill Kenworthy
2018-11-09 13:25 ` Rich Freeman
2018-11-09 9:02 ` J. Roeleveld
2018-11-11 0:45 ` Dale
2018-11-11 21:41 ` Wol's lists
2018-11-11 22:17 ` Dale
2018-11-09 9:24 ` Wols Lists [this message]
-- strict thread matches above, loose matches on Subject: below --
2015-04-28 8:39 Dale
2015-04-28 14:49 ` Francisco Ares
2015-04-28 15:01 ` Alan McKinnon
2015-04-28 15:24 ` Neil Bothwick
2015-04-28 17:38 ` Rich Freeman
2015-04-28 18:11 ` Neil Bothwick
2015-04-28 18:31 ` Rich Freeman
2015-04-28 18:41 ` Neil Bothwick
2015-04-29 6:13 ` Alan McKinnon
2015-04-29 7:52 ` Neil Bothwick
2015-05-04 7:39 ` Dale
2015-05-04 7:46 ` Neil Bothwick
2015-05-04 8:13 ` Mick
2015-05-04 8:26 ` Dale
2015-05-04 8:23 ` Dale
2015-05-04 10:31 ` Neil Bothwick
2015-05-04 10:40 ` Dale
2015-05-04 11:26 ` Neil Bothwick
2015-05-09 10:56 ` Dale
2015-05-09 12:59 ` Rich Freeman
2015-05-09 14:46 ` Todd Goodman
2015-05-09 18:16 ` Rich Freeman
2015-05-04 11:35 ` Rich Freeman
2015-05-04 18:42 ` Nuno Magalhães
2015-05-05 6:41 ` Alan McKinnon
2015-05-05 10:56 ` Rich Freeman
2015-05-05 11:33 ` Neil Bothwick
2015-05-05 12:05 ` Mick
2015-05-05 12:21 ` Neil Bothwick
2015-05-05 12:39 ` Mick
2015-05-05 12:53 ` Rich Freeman
2015-05-05 21:50 ` Neil Bothwick
2015-05-05 22:21 ` Bill Kenworthy
2015-05-05 22:33 ` Bill Kenworthy
2015-05-04 10:57 ` Alan Mackenzie
2015-04-28 15:02 ` Rich Freeman
2015-05-04 7:23 ` Dale
2015-05-05 3:01 ` Walter Dnes
2015-04-27 7:41 Dale
2015-04-28 18:25 ` Daniel Frey
2015-04-28 21:23 ` Dale
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