[CentOS] SquashFS: how good is it?

Boris Epstein borepstein at gmail.com
Tue Oct 12 15:58:00 EDT 2010


On Tue, Oct 12, 2010 at 3:45 PM, JohnS <jses27 at gmail.com> wrote:
>
> On Tue, 2010-10-12 at 15:28 -0400, Boris Epstein wrote:
>> On Tue, Oct 12, 2010 at 3:02 PM, Chad Woolley <thewoolleyman at gmail.com> wrote:
>> > On Tue, Oct 12, 2010 at 12:44 PM, JohnS <jses27 at gmail.com> wrote:
>> >>
>> >> On Tue, 2010-10-12 at 14:37 -0400, Boris Epstein wrote:
>> >>> Hello listmates,
>> >>>
>> >>> Have any of you used SquashFS?
>> >>>
>> >>> See: http://en.wikipedia.org/wiki/SquashFS
>> >>>
>> >>> We have tried it on small file sets, seems good but if you have
>> >>> experience using it, especially to store/archive lage volumes of
>> >>> files, please share your experience.
>> >>>
>> >>> Thanks.
>> >> ---
>> >> It is used in the making of Live CDs as in Linux.  CentOS Live CD 5 uses
>> >
>> > I was unable to mount it read/write, if that matters.  Error said it
>> > could only be mounted read-only.
>> > _______________________________________________
>> > CentOS mailing list
>> > CentOS at centos.org
>> > http://lists.centos.org/mailman/listinfo/centos
>> >
>>
>> Yes, SquassFS is a read-only FS. Which is fine for us as we intend to
>> only use it for archiving purposes.
>>
>> Boris.
>
> I think you had better look else where for 4 tera bytes
>
> John
>
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>

John,

You may well be right. As a test I decided to try on about 1.3TB and
see what happens. The mksquashfs command has been running for about an
hour, ate up about 2GB of RAM plus some swap; so far so good.

Boris.


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