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Subject: RE: Maximn number of inodes
Date: Tue, 12 Dec 2006 12:33:09 -0800
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E01B705F0@onstor-exch02.onstor.net>
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Thread-Topic: Maximn number of inodes
thread-index: AcceCgTam1vksTXLS1i27rWuAPT1zgABO3ZgAAb2dAA=
From: "Steffen Thuemmel" <steffen.thuemmel@onstor.com>
To: "Henry Lau" <henry.lau@onstor.com>,
	"Victor Carrell \(Glasshouse\)" <vcarrell@css.glasshouse.com>
Cc: "dl-cstech" <dl-cstech@onstor.com>,
	"Sudheesh Nair" <sudheesh.nair@onstor.com>

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Gentlemen,

=20

This doesn't help here. The customer is using an application that loads
(creates) many files (average size 30 kB) onto the filesystems on a
Bobcat.=20

They simulate their client behavior: The customer, Allegro, is an
internet auction provider. Their clients upload descriptions and picture
of their items they put into an auction.

=20

The application breakes after receiving an error. Looking at the
filesystem they determined that 98% of all inodes are used although the
capacity of the filesystem is only used less than 50%. They increased
the capacity by 200GB, but that did not clear the problem. They were not
able to create more files. Only after deleting some files, they could
generate new ones.

=20

So to me that looks like the automated process of inode allocation does
not work here. The question is why ?

=20

Regards,

St.

=20

Steffen Thuemmel=20

Manager Systems Engineering

Central Europe

=20

ONStor

Schleussner Str. 42

D-63263 Neu-Isenburg

Germany

=20

telf.       +49 6102 884 84-0

mobil.     +49 173 673 3434

mail.       steffen.thuemmel@onstor.com

web.       www.onstor.com <http://www.onstor.com/>=20

=20

________________________________

From: Henry Lau=20
Sent: Dienstag, 12. Dezember 2006 18:01
To: Victor Carrell (Glasshouse)
Cc: dl-cstech
Subject: RE: Maximn number of inodes

=20

Please check http://wiki/wiki/Inodes

=20

Thanks,

=20

Henry

=20

________________________________

From: Victor Carrell (Glasshouse)=20
Sent: Tuesday, December 12, 2006 8:25 AM
To: dl-cstech
Subject: Maximn number of inodes

=20

Hi,

=20

 I have a customer ONStor Germany case 4115 that appears to be running
out of inodes.  I have asked to turn off snapshots if on and retry their
test.  In the mean time it is my understanding that once indoes are used
up we double the number of inodes in the background.   Am I wrong in
this thinking?  Or is there something that would prevent this?  Or is
there a total maximum number of inodes allowed?  In this case 17449982

=20

Thanks

Victor


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<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Gentlemen,<o:p></o:p></span></font><=
/p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>This doesn&#8217;t help here. The =
customer is
using an application that loads (creates) many files (average size 30 =
kB) onto
the filesystems on a Bobcat. <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>They simulate their client =
behavior: The
customer, Allegro, is an internet auction provider. Their clients upload
descriptions and picture of their items they put into an =
auction.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>The application breakes after =
receiving an
error. Looking at the filesystem they determined that 98% of all inodes =
are
used although the capacity of the filesystem is only used less than 50%. =
They
increased the capacity by 200GB, but that did not clear the problem. =
They were
not able to create more files. Only after deleting some files, they =
could
generate new ones.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>So to me that looks like the =
automated
process of inode allocation does not work here. The question is why =
?<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Regards,<o:p></o:p></span></font></p=
>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>St.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

<div>

<p class=3DMsoNormal><b><font size=3D2 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:10.0pt;color:navy;font-weight:bold'>Steffen Thuemmel =
<o:p></o:p></span></font></b></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:10.0pt;color:navy'>Manager Systems =
Engineering<o:p></o:p></span></font></p>

<p class=3DMsoNormal><st1:place w:st=3D"on"><font size=3D2 color=3Dnavy
 face=3D"Times New Roman"><span =
style=3D'font-size:10.0pt;color:navy'>Central
 Europe</span></font></st1:place><font size=3D2 color=3Dnavy><span
style=3D'font-size:10.0pt;color:navy'><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D3 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;color:navy'><o:p>&nbsp;</o:p></span></font></p>=


<p class=3DMsoNormal><b><font size=3D1 color=3Dnavy face=3DTahoma><span
style=3D'font-size:8.0pt;font-family:Tahoma;color:navy;font-weight:bold'>=
ONStor<o:p></o:p></span></font></b></p>

<p class=3DMsoNormal><font size=3D1 color=3Dnavy face=3DTahoma><span =
style=3D'font-size:
8.0pt;font-family:Tahoma;color:navy'>Schleussne</span></font><font =
size=3D1
color=3Dnavy face=3DTahoma><span lang=3DDE =
style=3D'font-size:8.0pt;font-family:Tahoma;
color:navy'>r Str. 42<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D1 color=3Dnavy face=3DTahoma><span =
lang=3DDE
style=3D'font-size:8.0pt;font-family:Tahoma;color:navy'>D-63263 =
Neu-Isenburg<o:p></o:p></span></font></p>

<p class=3DMsoNormal><st1:country-region w:st=3D"on"><st1:place =
w:st=3D"on"><font
  size=3D1 color=3Dnavy face=3DTahoma><span =
style=3D'font-size:8.0pt;font-family:Tahoma;
  =
color:navy'>Germany</span></font></st1:place></st1:country-region><font
color=3Dnavy><span style=3D'color:navy'><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D3 color=3Dnavy face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt;color:navy'><o:p>&nbsp;</o:p></span></font></p>=


<p class=3DMsoNormal><b><font size=3D1 color=3Dnavy face=3DTahoma><span
style=3D'font-size:8.0pt;font-family:Tahoma;color:navy;font-weight:bold'>=
telf.</span></font></b><b><font
size=3D2 color=3Dnavy face=3DTahoma><span =
style=3D'font-size:10.0pt;font-family:Tahoma;
color:navy;font-weight:bold'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</span></font></b><b><font
size=3D1 color=3Dnavy face=3DTahoma><span =
style=3D'font-size:7.5pt;font-family:Tahoma;
color:navy;font-weight:bold'>+49 6102 884 84-0</span></font></b><b><font
size=3D1 color=3Dnavy face=3DTahoma><span =
style=3D'font-size:8.0pt;font-family:Tahoma;
color:navy;font-weight:bold'><o:p></o:p></span></font></b></p>

<p class=3DMsoNormal><b><font size=3D1 color=3Dnavy face=3DTahoma><span
style=3D'font-size:8.0pt;font-family:Tahoma;color:navy;font-weight:bold'>=
mobil.
&nbsp;&nbsp;&nbsp; </span></font></b><b><font size=3D1 color=3Dnavy =
face=3DTahoma><span
style=3D'font-size:7.5pt;font-family:Tahoma;color:navy;font-weight:bold'>=
+49 173
673 3434<o:p></o:p></span></font></b></p>

<p class=3DMsoNormal><b><font size=3D1 color=3Dnavy face=3DTahoma><span =
lang=3DFR
style=3D'font-size:8.0pt;font-family:Tahoma;color:navy;font-weight:bold'>=
mail.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<a =
href=3D"mailto:steffen.thuemmel@onstor.com">steffen.thuemmel@onstor.com</=
a><o:p></o:p></span></font></b></p>

<p class=3DMsoNormal><b><font size=3D1 color=3Dnavy face=3DTahoma><span =
lang=3DFR
style=3D'font-size:8.0pt;font-family:Tahoma;color:navy;font-weight:bold'>=
web.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<a =
href=3D"http://www.onstor.com/">www.onstor.com</a></span></font></b><font=

color=3Dnavy><span lang=3DFR =
style=3D'color:navy'><o:p></o:p></span></font></p>

</div>

</div>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

<div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font =
size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font =
size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> Henry =
Lau <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Dienstag, 12. =
Dezember 2006
18:01<br>
<b><span style=3D'font-weight:bold'>To:</span></b> Victor Carrell =
(Glasshouse)<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> dl-cstech<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> RE: Maximn =
number of
inodes</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Please check <a
href=3D"http://wiki/wiki/Inodes">http://wiki/wiki/Inodes</a><o:p></o:p></=
span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Thanks,<o:p></o:p></span></font></p>=


<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Henry<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

<div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font =
size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font =
size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> =
Victor Carrell
(Glasshouse) <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Tuesday, December =
12, 2006
8:25 AM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> dl-cstech<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> Maximn number of =
inodes</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Hi,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;I have a customer ONStor <st1:place =
w:st=3D"on"><st1:country-region
 w:st=3D"on">Germany</st1:country-region></st1:place> case 4115 that =
appears to
be running out of inodes.&nbsp; I have asked to turn off snapshots if on =
and
retry their test.&nbsp; In the mean time it is my understanding that =
once
indoes are used up we double the number of inodes in the
background.&nbsp;&nbsp; Am I wrong in this thinking?&nbsp; Or is there
something that would prevent this?&nbsp; Or is there a total maximum =
number of
inodes allowed?&nbsp; In this case </span></font>17449982<font size=3D2
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p=
>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Thanks<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Victor<o:p></o:p></span></font></p>

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