Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Jean-David Beyer
On 07/08/2016 07:44 AM, vincent wrote: > > > Op 7/8/2016 om 12:23 PM schreef Jean-David Beyer: >> Why all this concern about how long a disk (or SSD) drive can stay up >> after a power failure? >> >> It seems to me that anyone interested in maintaining an important >> database would have

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Wes Vaske (wvaske)
> Why all this concern about how long a disk (or SSD) drive can stay up > after a power failure? When we're discussing SSD power loss protection, it's not a question of how long the drive can stay up but whether data at rest or data in flight are going to be lost/corrupted in the event of a

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread vincent
Op 7/8/2016 om 12:23 PM schreef Jean-David Beyer: Why all this concern about how long a disk (or SSD) drive can stay up after a power failure? It seems to me that anyone interested in maintaining an important database would have suitable backup power on their entire systems, including the

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Karl Denninger
On 7/8/2016 05:23, Jean-David Beyer wrote: > Why all this concern about how long a disk (or SSD) drive can stay up > after a power failure? Never had a power supply fail, have you? Or (accidentally) pull the wrong cord? :) > It seems to me that anyone interested in maintaining an important >

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Thomas Samson
On Fri, Jul 8, 2016 at 12:23 PM, Jean-David Beyer wrote: > Why all this concern about how long a disk (or SSD) drive can stay up > after a power failure? > > It seems to me that anyone interested in maintaining an important > database would have suitable backup power on

Re: [PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Levente Birta
On 08/07/2016 13:23, Jean-David Beyer wrote: Why all this concern about how long a disk (or SSD) drive can stay up after a power failure? It seems to me that anyone interested in maintaining an important database would have suitable backup power on their entire systems, including the disk

[PERFORM] Capacitors, etc., in hard drives and SSD for DBMS machines...

2016-07-08 Thread Jean-David Beyer
Why all this concern about how long a disk (or SSD) drive can stay up after a power failure? It seems to me that anyone interested in maintaining an important database would have suitable backup power on their entire systems, including the disk drives, so they could coast over any power loss. I