Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Stan Hoeppner
On 8/23/2012 10:00 AM, hvw59601 wrote: Mindful of what Stan Hoeppner in various posts has written about SSD I thought I'd put swap on an SSD I installed (Samsung SSD 830 128GB) in order to get superfast hibernate. Surprise: it is slower than usual and the disk light is on. [snip] Is there

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Jon Dowland
On Fri, Aug 24, 2012 at 01:42:45AM -0500, Stan Hoeppner wrote: This email mentions nothing of any troubleshooting performed by you up to this point. It's sole purpose seems to be to blame me for what you apparently believe is a bad recommendation. I read it very differently: veiled admiration

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Gaël DONVAL
Le jeudi 23 août 2012 à 10:00 -0500, hvw59601 a écrit : Hi, Mindful of what Stan Hoeppner in various posts has written about SSD I thought I'd put swap on an SSD I installed (Samsung SSD 830 128GB) in order to get superfast hibernate. Surprise: it is slower than usual and the disk light

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Stan Hoeppner
On 8/24/2012 3:43 AM, Jon Dowland wrote: On Fri, Aug 24, 2012 at 01:42:45AM -0500, Stan Hoeppner wrote: This email mentions nothing of any troubleshooting performed by you up to this point. It's sole purpose seems to be to blame me for what you apparently believe is a bad recommendation. I

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Darac Marjal
On Thu, Aug 23, 2012 at 10:00:46AM -0500, hvw59601 wrote: Hi, Mindful of what Stan Hoeppner in various posts has written about SSD I thought I'd put swap on an SSD I installed (Samsung SSD 830 128GB) in order to get superfast hibernate. I might be wrong here, but isn't the key benefit of

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Gaël DONVAL
Le vendredi 24 août 2012 à 12:04 +0100, Darac Marjal a écrit : I might be wrong here, but isn't the key benefit of SSDs that they have a tiny access time? But that their read speed is about the same as a normal disk (also, I might be wrong, but I understand their write speed is average). This

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Darac Marjal
On Fri, Aug 24, 2012 at 01:32:16PM +0200, Gaël DONVAL wrote: Le vendredi 24 août 2012 à 12:04 +0100, Darac Marjal a écrit : I might be wrong here, but isn't the key benefit of SSDs that they have a tiny access time? But that their read speed is about the same as a normal disk (also, I might

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Gaël DONVAL
Le vendredi 24 août 2012 à 12:58 +0100, Darac Marjal a écrit : On Fri, Aug 24, 2012 at 01:32:16PM +0200, Gaël DONVAL wrote: Le vendredi 24 août 2012 à 12:04 +0100, Darac Marjal a écrit : I might be wrong here, but isn't the key benefit of SSDs that they have a tiny access time? But that

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Gary Dale
On 24/08/12 08:29 AM, Gaël DONVAL wrote: Le vendredi 24 août 2012 à 12:58 +0100, Darac Marjal a écrit : On Fri, Aug 24, 2012 at 01:32:16PM +0200, Gaël DONVAL wrote: Le vendredi 24 août 2012 à 12:04 +0100, Darac Marjal a écrit : I might be wrong here, but isn't the key benefit of SSDs that

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Sven Hartge
Gary Dale garyd...@rogers.com wrote: So why would switching to an SSD slow hibernation times? Frankly I can't think of any reasons (comparing apples to apples) why a faster drive should lead to slower performance. Possibly it's an interface issue - the SSD's controller is getting swamped -

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread Gaël DONVAL
Le vendredi 24 août 2012 à 16:47 +0200, Sven Hartge a écrit : Maybe the alignment of the swap partition is off? SSD react very badly if you don't align your partitions to their erase block size. This is why I always recommend to align them to 1MB boundaries as most SSDs available today seem to

Re: hibernate: swap on SSD = not fast

2012-08-24 Thread hvw59601
Gaël DONVAL wrote: Le vendredi 24 août 2012 à 16:47 +0200, Sven Hartge a écrit : Maybe the alignment of the swap partition is off? SSD react very badly if you don't align your partitions to their erase block size. This is why I always recommend to align them to 1MB boundaries as most SSDs