Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Wojciech Puchar
I just looked at one of the most popular online shops around here. They have about 50 different USB enclosures; prices start at 10 EUR. But they have only six Firewire enclosures (and none of them is 2.5"!), the cheapest one is 34 EUR. i think this 24 EUR it's worth of. However, they do hav

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Christopher Sean Hilton
On Jun 17, 2008, at 11:40 AM, Oliver Fromme wrote: Wojciech Puchar <[EMAIL PROTECTED]> wrote: you must have something wrong. my USB drive gets 27MB/s. yes this 480Mbit/s is USB isn't real, but half of it is. I agree. Want to take this private and help figure out what's wrong? :-)

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Oliver Fromme
Wojciech Puchar <[EMAIL PROTECTED]> wrote: > > Cheap controller in the USB enclosure. I've used quite > > a few USB enclosures in the past years, and there are > > significant performance differences. As a rule of thumb, > > the cheaper the box, the slower it is. Of course there > > are exc

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Robert Huff
Oliver Fromme writes: > > > > you must have something wrong. my USB drive gets 27MB/s. yes this > > > > 480Mbit/s is USB isn't real, but half of it is. > > > > i simply have no idea why it could work so slow. > > Cheap controller in the USB enclosure. I've used quite > a few USB e

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Wojciech Puchar
Cheap controller in the USB enclosure. I've used quite a few USB enclosures in the past years, and there are significant performance differences. As a rule of thumb, the cheaper the box, the slower it is. Of course there are exceptions to that rule. actually - firewire enclosures are not much

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Oliver Fromme
Wojciech Puchar <[EMAIL PROTECTED]> wrote: > > > > > > you must have something wrong. my USB drive gets 27MB/s. yes this > > > 480Mbit/s is USB isn't real, but half of it is. > > > > I agree. > > Want to take this private and help figure out what's wrong? > > :-) > > i sim

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Wojciech Puchar
you must have something wrong. my USB drive gets 27MB/s. yes this 480Mbit/s is USB isn't real, but half of it is. I agree. Want to take this private and help figure out what's wrong? :-) i simply have no idea why it could work so slow. ___

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Robert Huff
Wojciech Puchar writes: > >I /do/ have problems with speed. The fast recorded throughput > > was aroud 3.5 bytes/second; faster than the SCSI-1 DLT it replaces, > > you must have something wrong. my USB drive gets 27MB/s. yes this > 480Mbit/s is USB isn't real, but half of it is.

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Robert Huff
Wojciech Puchar writes: Wojciech Puchar writes: > > Do the tapes get taken off-site, or do they sit in the same > > location that the servers will burn when a fire breaks out? > > probably sits on place, if not he wouldn't need tape changer, but > would change manually :) The back

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Steve Bertrand
Steve Bertrand wrote: Wojciech Puchar wrote: - monthly - yearly ...cycle them in that manner. No matter what anyone says, experience states that I will bet on my monthly and yearly tapes as opposed to hard disk every time when the CFO is under pressure to get that directory that was 'o

Re: Replacing tape changer with USB disk drives.

2008-06-17 Thread Steve Bertrand
Wojciech Puchar wrote: Do the tapes get taken off-site, or do they sit in the same location that the servers will burn when a fire breaks out? probably sits on place, if not he wouldn't need tape changer, but would change manually :) ...not always. A tape changer in some cases is the diffe

Re: Replacing tape changer with USB disk drives.

2008-06-16 Thread Wojciech Puchar
Do the tapes get taken off-site, or do they sit in the same location that the servers will burn when a fire breaks out? probably sits on place, if not he wouldn't need tape changer, but would change manually :) Once the network backup is complete, cycle this complete backup to tape which c

Re: Replacing tape changer with USB disk drives.

2008-06-16 Thread Wojciech Puchar
and six incremental backups. I have had no problems with reliability. I /do/ have problems with speed. The fast recorded throughput was aroud 3.5 bytes/second; faster than the SCSI-1 DLT it replaces, you must have something wrong. my USB drive gets 27MB/s. yes this 480Mbit/s is U

Re: Replacing tape changer with USB disk drives.

2008-06-16 Thread Steve Bertrand
Christopher Sean Hilton wrote: I run FreeBSD 7.0-STABLE on a file server and until recently used a Tape Changer for backups. I'm considering my options for a new backup solution. I'm actually thinking of ditching tape and using an externally attached USB or Firewire disk drive. Do the tapes g

Re: Replacing tape changer with USB disk drives.

2008-06-16 Thread Christopher Sean Hilton
On Jun 16, 2008, at 7:34 PM, Chuck Swiger wrote: On Jun 16, 2008, at 3:59 PM, Christopher Sean Hilton wrote: External drives make nice, fast external hot-standby backups. They are lousy for making long-term backups that you can take offsite, though. I can and have restored decade old 20

Replacing tape changer with USB disk drives.

2008-06-16 Thread Robert Huff
Christopher Sean Hilton writes: > I run FreeBSD 7.0-STABLE on a file server and until recently used a > Tape Changer for backups. I'm considering my options for a new backup > solution. I'm actually thinking of ditching tape and using an > externally attached USB or Firewire disk drive.

Re: Replacing tape changer with USB disk drives.

2008-06-16 Thread Chuck Swiger
On Jun 16, 2008, at 3:59 PM, Christopher Sean Hilton wrote: I run FreeBSD 7.0-STABLE on a file server and until recently used a Tape Changer for backups. I'm considering my options for a new backup solution. I'm actually thinking of ditching tape and using an externally attached USB or Firew

Replacing tape changer with USB disk drives.

2008-06-16 Thread Christopher Sean Hilton
I run FreeBSD 7.0-STABLE on a file server and until recently used a Tape Changer for backups. I'm considering my options for a new backup solution. I'm actually thinking of ditching tape and using an externally attached USB or Firewire disk drive. My experimentation isn't giving me good fee