Bacula-users

Re: [Bacula-users] Bacula spool on SSD -- solid state drive?performance testing?

2009-07-27 09:33:21
Subject: Re: [Bacula-users] Bacula spool on SSD -- solid state drive?performance testing?
From: Alan Brown <ajb2 AT mssl.ucl.ac DOT uk>
To: John Lockard <jlockard AT umich DOT edu>
Date: Mon, 27 Jul 2009 14:29:07 +0100 (BST)
On Fri, 24 Jul 2009, John Lockard wrote:

> For spool, I would worry about the limited write (erase)
> cycles of SSD.

SLC drives are good for at least 100,000 cycles and all current SSD drives
use wear levelling plus even more generous levels of sparing than
mechanical HDDs. Even for constant spooling/unspooling (which is likely
less wear than some other operations) that translates to a disk lifetime
well in excess of the rest of the server components.

WRT the ramdisk comment: Yes, but...... how much is 100+Gb of ram?

AB



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