Re: poor SATA performance under 2.6.11 (with < 2.6.11 is OK)?

2005-04-15 Thread Tomasz Chmielewski
Andre Bender wrote: OK so Tomasz Torch suggested that my drive was blacklisted somewhere after 2.6.8.1 (it's the last kernel on which I have good performance). Does drive blacklisting = very poor performance? And no drive blacklisting = good performance, and possibly data corruption? That's what

Re: poor SATA performance under 2.6.11 (with < 2.6.11 is OK)?

2005-04-15 Thread Andre Bender
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Tomasz Chmielewski wrote: > > OK so Tomasz Torch suggested that my drive was blacklisted somewhere > after 2.6.8.1 (it's the last kernel on which I have good performance). > > Does drive blacklisting = very poor performance? > And no drive

Re: poor SATA performance under 2.6.11 (with < 2.6.11 is OK)?

2005-04-15 Thread Tomasz Chmielewski
Chris Wright wrote: * Tomasz Chmielewski ([EMAIL PROTECTED]) wrote: or should I wait for 2.6.11.7 (?), where it should be corrected? well, indeed, a week ago or more :) Wait, no longer, 2.6.11.7 has been here already ;-) However, nothing in this area was touched. If there's an outstanding

Re: poor SATA performance under 2.6.11 (with < 2.6.11 is OK)?

2005-04-15 Thread Tomasz Chmielewski
Tomasz Torcz wrote: See: http://home-tj.org/m15w/ ...but this link just doesn't explain why performance is sooo bad with 2.6.11.x kernels (Timing buffered disk reads at 10-20 MB/sec), and is just OK with older 2.6 kernels (Timing buffered disk reads even at about 100 MB/sec with 2.6.8.1). any

Re: poor SATA performance under 2.6.11 (with 2.6.11 is OK)?

2005-04-15 Thread Tomasz Chmielewski
Tomasz Torcz wrote: See: http://home-tj.org/m15w/ ...but this link just doesn't explain why performance is sooo bad with 2.6.11.x kernels (Timing buffered disk reads at 10-20 MB/sec), and is just OK with older 2.6 kernels (Timing buffered disk reads even at about 100 MB/sec with 2.6.8.1). any

Re: poor SATA performance under 2.6.11 (with 2.6.11 is OK)?

2005-04-15 Thread Tomasz Chmielewski
Chris Wright wrote: * Tomasz Chmielewski ([EMAIL PROTECTED]) wrote: or should I wait for 2.6.11.7 (?), where it should be corrected? well, indeed, a week ago or more :) Wait, no longer, 2.6.11.7 has been here already ;-) However, nothing in this area was touched. If there's an outstanding

Re: poor SATA performance under 2.6.11 (with 2.6.11 is OK)?

2005-04-15 Thread Andre Bender
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Tomasz Chmielewski wrote: OK so Tomasz Torch suggested that my drive was blacklisted somewhere after 2.6.8.1 (it's the last kernel on which I have good performance). Does drive blacklisting = very poor performance? And no drive blacklisting =

Re: poor SATA performance under 2.6.11 (with 2.6.11 is OK)?

2005-04-15 Thread Tomasz Chmielewski
Andre Bender wrote: OK so Tomasz Torch suggested that my drive was blacklisted somewhere after 2.6.8.1 (it's the last kernel on which I have good performance). Does drive blacklisting = very poor performance? And no drive blacklisting = good performance, and possibly data corruption? That's what

Re: poor SATA performance under 2.6.11 (with < 2.6.11 is OK)?

2005-04-14 Thread Tomasz Torcz
On Fri, Apr 15, 2005 at 12:08:15AM +0200, Tomasz Chmielewski wrote: > >>The performance under 2.6 kernels is *very* poor (Timing buffered disk > >>reads never more than 20 MB/sec); under 2.4 it runs quite fine (Timing > >>buffered disk reads around 60 MB/sec). > > > > > > 2.4 risk data corruption.

Re: poor SATA performance under 2.6.11 (with < 2.6.11 is OK)?

2005-04-14 Thread Chris Wright
* Tomasz Chmielewski ([EMAIL PROTECTED]) wrote: > or should I wait for 2.6.11.7 (?), where it should be corrected? Wait, no longer, 2.6.11.7 has been here already ;-) However, nothing in this area was touched. If there's an outstanding issue, please chase it down, and if it's reasonable

Re: poor SATA performance under 2.6.11 (with < 2.6.11 is OK)?

2005-04-14 Thread Tomasz Chmielewski
Tomasz Torcz wrote: On Thu, Apr 14, 2005 at 06:23:30PM +0200, Tomasz Chmielewski wrote: I have a Silicon Image SIL3112A SATA PCI controller + 2x 200GB, 8MB Barracuda drives. Bad combination. OK, from the link you gave I can see that there might be some problems with SIL3112 controller + seagate

Re: poor SATA performance under 2.6.11 (with < 2.6.11 is OK)?

2005-04-14 Thread Tomasz Torcz
On Thu, Apr 14, 2005 at 06:23:30PM +0200, Tomasz Chmielewski wrote: > I have a Silicon Image SIL3112A SATA PCI controller + 2x 200GB, 8MB > Barracuda drives. Bad combination. > The performance under 2.6 kernels is *very* poor (Timing buffered disk > reads never more than 20 MB/sec); under 2.4

Re: poor SATA performance under 2.6.11 (with 2.6.11 is OK)?

2005-04-14 Thread Tomasz Torcz
On Thu, Apr 14, 2005 at 06:23:30PM +0200, Tomasz Chmielewski wrote: I have a Silicon Image SIL3112A SATA PCI controller + 2x 200GB, 8MB Barracuda drives. Bad combination. The performance under 2.6 kernels is *very* poor (Timing buffered disk reads never more than 20 MB/sec); under 2.4 it

Re: poor SATA performance under 2.6.11 (with 2.6.11 is OK)?

2005-04-14 Thread Tomasz Chmielewski
Tomasz Torcz wrote: On Thu, Apr 14, 2005 at 06:23:30PM +0200, Tomasz Chmielewski wrote: I have a Silicon Image SIL3112A SATA PCI controller + 2x 200GB, 8MB Barracuda drives. Bad combination. OK, from the link you gave I can see that there might be some problems with SIL3112 controller + seagate

Re: poor SATA performance under 2.6.11 (with 2.6.11 is OK)?

2005-04-14 Thread Chris Wright
* Tomasz Chmielewski ([EMAIL PROTECTED]) wrote: or should I wait for 2.6.11.7 (?), where it should be corrected? Wait, no longer, 2.6.11.7 has been here already ;-) However, nothing in this area was touched. If there's an outstanding issue, please chase it down, and if it's reasonable

Re: poor SATA performance under 2.6.11 (with 2.6.11 is OK)?

2005-04-14 Thread Tomasz Torcz
On Fri, Apr 15, 2005 at 12:08:15AM +0200, Tomasz Chmielewski wrote: The performance under 2.6 kernels is *very* poor (Timing buffered disk reads never more than 20 MB/sec); under 2.4 it runs quite fine (Timing buffered disk reads around 60 MB/sec). 2.4 risk data corruption. 2.6 sata_sil.c