From: Eric Sandeen <sandeen@redhat.com>
To: rishabh.singh.cse11@iitbhu.ac.in,
linux-ext4 <linux-ext4@vger.kernel.org>
Subject: Re: How to disable TRIM
Date: Tue, 01 Jul 2014 09:52:58 -0500 [thread overview]
Message-ID: <53B2CB4A.9010408@redhat.com> (raw)
In-Reply-To: <CAHohGC8WtcfcsKFd2OjUbeQnUyw7qKmvUYuPtbCjPpQNfLxCaQ@mail.gmail.com>
On 7/1/14, 12:41 AM, Rishabh Singh B.Tech., CSE, IIT-BHU, Varanasi (INDIA) wrote:
> I have enabled the TRIM option in SSDs by adding "discard" to the
> /etc/fstab.
Removing the discard option does indeed stop "real time" trim/discards
from being sent by the filesystem when blocks are freed.
> But even after removing the "discard" the TRIM does not
> appear to be disabled. This I can conclude from the write and read
> speeds. How do I disable it?
Your methodology for reaching your conclusion must be flawed. :)
(of course you remounted after changing fstab, right, and "discard"
no longer shows up in /proc/mounts for this filesystem?)
-Eric
prev parent reply other threads:[~2014-07-01 14:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-01 5:41 How to disable TRIM Rishabh Singh B.Tech., CSE, IIT-BHU, Varanasi (INDIA)
2014-07-01 14:52 ` Eric Sandeen [this message]
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