Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-05 Thread Gordon Messmer
On 01/03/2011 11:39 AM, Dave wrote: > > So, is it fair to rephrase that as "ignore quotas, pay attention to > actual usage"? "ignore quotas" is maybe too broad. Quota is a useful mechanism to keep individual users from using all of a system's resources and disrupting access for other users. Mo

Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-04 Thread Les Mikesell
On 1/3/2011 1:39 PM, Dave wrote: > > So, is it fair to rephrase that as "ignore quotas, pay attention to > actual usage"? > > I agree that some degree of oversubscription is probably desireable, > and it would be much easier to just add storage whenever it looks to > be getting fullish. My situatio

Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-04 Thread Benjamin Smith
On Monday, January 03, 2011 11:39:38 am Dave wrote: > On Sat, Jan 1, 2011 at 10:06 PM, Gordon Messmer wrote: > > On 01/01/2011 05:56 PM, Dave wrote: > >> Is there a best practice? People have to be doing something! > > > > I think that's unlikely. If you don't "oversubscribe" your disk space > >

Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-03 Thread Ross Walker
On Jan 3, 2011, at 8:12 PM, Ross Walker wrote: > On Jan 3, 2011, at 8:10 PM, Ross Walker wrote: > >> On Jan 3, 2011, at 2:39 PM, Dave wrote: >> >>> On Sat, Jan 1, 2011 at 10:06 PM, Gordon Messmer wrote: On 01/01/2011 05:56 PM, Dave wrote: > > Is there a best practice? People ha

Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-03 Thread Peter Brady
On 4/01/11 6:39 AM, Dave wrote: > I agree that some degree of oversubscription is probably desireable, > and it would be much easier to just add storage whenever it looks to > be getting fullish. My situation right now makes that difficult - > budget is gone, so I can't add storage, and my users so

Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-03 Thread Ross Walker
On Jan 3, 2011, at 8:10 PM, Ross Walker wrote: > On Jan 3, 2011, at 2:39 PM, Dave wrote: > >> On Sat, Jan 1, 2011 at 10:06 PM, Gordon Messmer wrote: >>> On 01/01/2011 05:56 PM, Dave wrote: Is there a best practice? People have to be doing something! >>> >>> I think that's unlikely.

Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-03 Thread Ross Walker
On Jan 3, 2011, at 2:39 PM, Dave wrote: > On Sat, Jan 1, 2011 at 10:06 PM, Gordon Messmer wrote: >> On 01/01/2011 05:56 PM, Dave wrote: >>> >>> Is there a best practice? People have to be doing something! >> >> I think that's unlikely. If you don't "oversubscribe" your disk space >> as a matt

Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-03 Thread Dave
On Sat, Jan 1, 2011 at 10:06 PM, Gordon Messmer wrote: > On 01/01/2011 05:56 PM, Dave wrote: >> >> Is there a best practice? People have to be doing something! > > I think that's unlikely.  If you don't "oversubscribe" your disk space > as a matter of policy, you'll force upgrades earlier than mos

Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-02 Thread Gordon Messmer
On 01/01/2011 05:56 PM, Dave wrote: > > Is there a best practice? People have to be doing something! I think that's unlikely. If you don't "oversubscribe" your disk space as a matter of policy, you'll force upgrades earlier than most people would consider them necessary. Most users, I'd expect

Re: [CentOS] OT how to prevent oversubscription of a disk

2011-01-01 Thread Dave
2010/12/31 Jorge Fábregas : > On Thursday, December 30, 2010 09:53:25 pm Dave wrote: >> I want to add up the quotas I've assigned on a particular partition >> and see if the total is bigger than the disk. It's possible to do this >> (awkwardly) using repquota or quota. Is there no more accurate/ele

Re: [CentOS] OT how to prevent oversubscription of a disk

2010-12-31 Thread Jorge Fábregas
On Thursday, December 30, 2010 09:53:25 pm Dave wrote: > I want to add up the quotas I've assigned on a particular partition > and see if the total is bigger than the disk. It's possible to do this > (awkwardly) using repquota or quota. Is there no more accurate/elegant > way? I don't think so. I