| To: | XFS mailing list <xfs@xxxxxxxxxxx> |
|---|---|
| Subject: | Re: Performance impact of mkfs.xfs vs mkfs.xfs -f |
| From: | "Carlos E. R." <carlos.e.r@xxxxxxxxxxxx> |
| Date: | Wed, 26 Aug 2015 02:39:11 +0200 |
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| In-reply-to: | <20150825234300.GN714@dastard> |
| References: | <CABppvi6GdaTQgqpYJi6RhkpjP9ydTV8-2VV8LF9tHSN63XzWtA@xxxxxxxxxxxxxx> <55DCE1CF.5030708@xxxxxxxxxxx> <CABppvi6W5_1GBrb8x1wOAq3X6yraTtt1UYEFE+dBzcXj3yTzrg@xxxxxxxxxxxxxx> <20150825234300.GN714@dastard> |
| Sender: | Carlos Robinson <robin.listas@xxxxxxxxx> |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 |
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
On 2015-08-26 01:43, Dave Chinner wrote:
> On Tue, Aug 25, 2015 at 04:09:33PM -0700, Shrinand Javadekar
> wrote:
>> Formatted the new disks with mkfs.xfs. Ran the workload.
>> Reformatted the disks with mkfs.xfs -f. Ran the workload.
> Anyway, please post the output so we can see the differences for
> ourselves. What we need is mkfs output in both cases, and xfs_info
> output in both cases after mount.
Suggestion (for the OP):
To reformat a third time without "-f", you can reformat as ext4, then
format a second time as xfs. But to imitate a new disk, you have to
zero it with dd.
Then you can replay the test and obtain the requested data :-)
- --
Cheers / Saludos,
Carlos E. R.
(from 13.1 x86_64 "Bottle" (Minas Tirith))
- --
Cheers / Saludos,
Carlos E. R.
(from 13.1 x86_64 "Bottle" (Minas Tirith))
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