[OpenAFS] mounting lots of volumes quickly

[Neulinger, Nathan]

Also the --enable-fast-restart. I forget the change it makes off the top
of my head though.



------------------------------------------------------------
Nathan Neulinger                       EMail:  nneul@umr.edu
University of Missouri - Rolla         Phone: (573) 341-4841
Computing Services                       Fax: (573) 341-4216


> -----Original Message-----
> From: Neulinger, Nathan=20
> Sent: Tuesday, April 01, 2003 12:40 PM
> To: Leland J. Steinke; openafs-info@openafs.org
> Subject: RE: [OpenAFS] mounting lots of volumes quickly
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> Did you build with the Bitmap-later option? That will also improve
> startup speed quite a bit.
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> Our servers can usually restart in 2-3 minutes. Though they generally
> only have a thousand or so volumes on each one.
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> -- Nathan
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> ------------------------------------------------------------
> Nathan Neulinger                       EMail:  nneul@umr.edu
> University of Missouri - Rolla         Phone: (573) 341-4841
> Computing Services                       Fax: (573) 341-4216
>=20
>=20
> > -----Original Message-----
> > From: Leland J. Steinke [mailto:steinkel@pa.net]=20
> > Sent: Tuesday, April 01, 2003 12:34 PM
> > To: openafs-info@openafs.org
> > Subject: [OpenAFS] mounting lots of volumes quickly
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> >=20
> > I have been doing testing of OpenAFS 1.2.8 (from source, not=20
> > src RPMs, on RH=20
> > 8.0, on a dual-500MHz P3 w/512M RAM, with /vice[ab] on ~13G=20
> > ext3 partitions on=20
> > different physical drives).  Part of this is disaster=20
> > checking by restarting the=20
> > bosserver, or just power-cycling the server.  I am using the=20
> > -DontSalvage option=20
> > for salvager in BosConfig.
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> > Here is the relevant section of FileLog:
> > =3D=3D=3D=3D=3D=3D
> > Mon Mar 31 17:18:07 2003 File server starting
> > Mon Mar 31 17:40:01 2003 Partition /vicepa: attached 15450=20
> > volumes; 0 volumes=20
> > not attached
> > Mon Mar 31 18:01:57 2003 Partition /vicepb: attached 15392=20
> > volumes; 0 volumes=20
> > not attached
> > =3D=3D=3D=3D=3D=3D
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> > Since these volumes are to contain customer home directories=20
> > and mailboxes,=20
> > there is no way to put the "more important" volumes on the=20
> > first partition.  Is=20
> > there anything I can do to get the volumes in these=20
> > partitions to mount more=20
> > quickly?  From a quick scan of src/vol/volume.c, it would=20
> > appear to not be the=20
> > case, beyond getting faster drives/RAM/CPUs.  Mounting more=20
> > than twelve volumes=20
> > a second is just not cutting it ;-).
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> > Is there a volume "automount" option in AFS that I have not=20
> > stumbled across yet?
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> >=20
> > thanks,
> > Leland
> >=20
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