In-Reply-To: <86bk618lyh.fsf@ltc.des.dev>
| previous in thread | raw e-mail | index | archive | help
This is a multi-part message in MIME format.
--------------i3NhsmX00aFPf00L2TS5AVAO
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
On 4/22/2024 11:18 AM, Dag-Erling Smørgrav wrote:
> mike tancsa<mike@sentex.net> writes:
>> I upgraded a RELENG_13 box from last March to one today to bring in
>> some of the zfs bug fixes. But now I have this warning on a pool that
>> was not there before. But the special devices (two 2TB samsungs) are
>> 512 according to smartctl? Any idea why this warning popped up on the
>> pool all of a sudden? the disks and pool have been the same for a
>> year or so.
> what does `sysctl vfs.zfs.vdev.min_auto_ashift` say?
sysctl vfs.zfs.vdev.min_auto_ashift
vfs.zfs.vdev.min_auto_ashift: 9
>> Sector Size: 512 bytes logical/physical
> The SSD is doing read-copy-update behind the scenes to support a
> 512-byte sector size for compatibility reasons, the real sector size is
> unlikely to be less than 4 kB and may actually be significantly larger.
Where what would be picking up the "true" size and why the change from a
March 4th system to one today ?
---Mike
--------------i3NhsmX00aFPf00L2TS5AVAO
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: 8bit
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<div class="moz-cite-prefix">On 4/22/2024 11:18 AM, Dag-Erling
Smørgrav wrote:<br>
</div>
<blockquote type="cite" cite="mid:86bk618lyh.fsf@ltc.des.dev">
<pre class="moz-quote-pre" wrap="">mike tancsa <a class="moz-txt-link-rfc2396E" href="mailto:mike@sentex.net"><mike@sentex.net></a> writes:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">I upgraded a RELENG_13 box from last March to one today to bring in
some of the zfs bug fixes. But now I have this warning on a pool that
was not there before. But the special devices (two 2TB samsungs) are
512 according to smartctl? Any idea why this warning popped up on the
pool all of a sudden? the disks and pool have been the same for a
year or so.
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
what does `sysctl vfs.zfs.vdev.min_auto_ashift` say?
</pre>
</blockquote>
sysctl vfs.zfs.vdev.min_auto_ashift<br>
vfs.zfs.vdev.min_auto_ashift: 9<br>
<blockquote type="cite" cite="mid:86bk618lyh.fsf@ltc.des.dev">
<pre class="moz-quote-pre" wrap="">
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">Sector Size: 512 bytes logical/physical
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
The SSD is doing read-copy-update behind the scenes to support a
512-byte sector size for compatibility reasons, the real sector size is
unlikely to be less than 4 kB and may actually be significantly larger.
</pre>
</blockquote>
<p>Where what would be picking up the "true" size and why the change
from a March 4th system to one today ?</p>
<p> ---Mike<br>
</p>
<span style="white-space: pre-wrap">
</span>
</body>
</html>
--------------i3NhsmX00aFPf00L2TS5AVAO--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?>