[DRBD-user] using SSD drives, the TRIM challenge

Bart Coninckx bart.coninckx at telenet.be
Fri Mar 9 08:31:45 CET 2012

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Hi Maurits,

that's an excellent idea. But how are you going to know when a SSD 
effectively wears out?

thx,

B.


On 03/08/12 11:40, Maurits van de Lande wrote:
> Hallo Bart,
>
> I'm using SSD drives. To work around the TRIM challenge I use I RAID controller and only 80% of the available SSD capacity. So I have 20% spare. Which will hopefully give me 3 years of operation. (MLC FLASH)
>
> Drbd get's a fixed disk through the RAID controller.
>
> Best Regards,
>
> Maurits van de Lande
>
> | Van de Lande BV. | Lissenveld 1 | 4941VK | Raamsdonksveer | the Netherlands |T +31 (0) 162 516000 | F +31 (0) 162 521417 | www.vdl-fittings.com |
>
> -----Oorspronkelijk bericht-----
> Van: drbd-user-bounces at lists.linbit.com [mailto:drbd-user-bounces at lists.linbit.com] Namens Bart Coninckx
> Verzonden: donderdag 8 maart 2012 11:29
> Aan: drbd-user at lists.linbit.com
> Onderwerp: [DRBD-user] using SSD drives, the TRIM challenge
>
> Hi all,
>
> I was wondering if anyone is successfully SSD drives as their backend storage devices. If so, I'm wondering if these drives do no degrade quite fast seen there is no TRIM support in DRBD.
>
> I'm also wondering if can motivate people to help sponsor this feature.
> If the group is large enough, I suppose we can get this done for not too much money.
>
>
> thx!
>
> B.
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>




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