[zfs-discuss] Re: Re: Re: Heavy writes freezing system

2007-01-18 Thread Rainer Heilke
Rats, didn't proof accurately. For "UFS", I meant NFS. Rainer This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Re: Re: Re: Heavy writes freezing system

2007-01-18 Thread Rainer Heilke
Sorry, I should have qualified that "effective" better. I was specifically speaking in terms of Solaris and price. For companies without a SAN (especially using Linux), something like a NetApp Filer using UFS is the way to go, I realize. If you're running Solaris, the cost of QFS becomes a major

Re: [zfs-discuss] Re: Re: Re: Heavy writes freezing system

2007-01-18 Thread Bev Crair
Rainer, Have you considered looking for a patch? If you have the supported version(s) of Solaris (which it sound like you do), this may already be available in a patch. Bev. Rainer Heilke wrote: Thanks for the detailed explanation of the bug. This makes it clearer to us as to what's happeni

[zfs-discuss] Re: Re: Re: Heavy writes freezing system

2007-01-18 Thread Rainer Heilke
Thanks for the detailed explanation of the bug. This makes it clearer to us as to what's happening, and why (which is something I _always_ appreciate!). Unfortunately, U4 doesn't buy us anything for our current problem. Rainer This message posted from opensolaris.org

[zfs-discuss] Re: Re: Re: Heavy writes freezing system

2007-01-18 Thread Rainer Heilke
> > This problem was fixed in snv_48 last September > and will be > > in S10_U4. U4 doesn't help us any. We need the fix now. :-( By the time U4 is out, we may even be finished (certainly well on our way) our RAC/ASM migration and this whole issue will be moot. Rainer This message posted

Re: [zfs-discuss] Re: Re: Re: Heavy writes freezing system

2007-01-17 Thread Neil Perrin
Anton B. Rang wrote On 01/17/07 20:31,: Yes, Anantha is correct that is the bug id, which could be responsible for more disk writes than expected. I believe, though, that this would explain at most a factor of 2 > of "write expansion" (user data getting pushed to disk once in the > intent l

[zfs-discuss] Re: Re: Re: Heavy writes freezing system

2007-01-17 Thread Anton B. Rang
> Yes, Anantha is correct that is the bug id, which could be responsible > for more disk writes than expected. I believe, though, that this would explain at most a factor of 2 of "write expansion" (user data getting pushed to disk once in the intent log, then again in its final location). If the

[zfs-discuss] Re: Re: Re: Heavy writes freezing system

2007-01-17 Thread Rainer Heilke
> The limit is documented as "1 million inodes per TB". > So something > ust not have gone right. But many people have > complained and > you could take the newfs source and fix the > limitation. "Patching" the source ourselves would not fly very far, but thanks for the clarification. I guess I