Uh... ya. -sc
> -----Original Message----- > From: Miguel Gonzalez [mailto:[email protected]] > Sent: Wednesday, September 16, 2009 2:23 AM > To: NT System Admin Issues > Subject: RE: Disk based backup > > are LTO4 already in the market? We are getting info that won't be > available until beginning of next year. > > The best solution right now is mixing disk and tapes backups: VTL > (Virtual Tape Library). But it's a little bit pricey for a small > businesses, although I believe there could be open source or free (or > close to free) solutions. > > Tapes are good to manage and take them to a firesafe place (not only > good in the case of fire but also in the case of robbery or flooding or > any other disaster). We are using Netbackup at work and have saved our > asses almost every week. Netbackup marks tapes that are no good so you > can discard them. I've seen a business spending around $12,000 to > recover data for having no backups (which is close to have a bad backup > policy) because a RAID array failed after a battery replacement. > > We have evolved our pure-tape-LTO backups to a VTL. This is great since > backups and restores from disk take nothing to be done and you can > decide which information will be exported to tapes (you can keep email > and user data on disk for instance). > > I guess you can dimension it as you want: from just an old server with > a huge hard drive and a LTO tape drive to a more reliable RAID array > with a robot. It always depends on your budget. > > Regards, > > Miguel > > > > --- El mié, 16/9/09, Sam Cayze <[email protected]> escribió: > > > De: Sam Cayze <[email protected]> > > Asunto: RE: Disk based backup > > Para: "NT System Admin Issues" <[email protected] > software.com> > > Fecha: miércoles, 16 septiembre, 2009 1:32 > > Sounds about right, I am getting > > 1,500MB/MIN (25MB/SEC) on my backups. > > And iirc my restores were about 20MB/Sec going to bare > > metal RAID5. > > > > What speeds do you see with LTO? Has the reliability of > > tapes increased > > in your opinion? > > > > Good info, thanks as always. > > > > Sam > > > > -----Original Message----- > > From: Ken Schaefer [mailto:[email protected]] > > > > Sent: Tuesday, September 15, 2009 11:04 PM > > To: NT System Admin Issues > > Subject: RE: Disk based backup > > > > eSata will be about 1.5x what you can get with USB only > > (assuming you > > are copying to a single target disk). I've generally found > > that USB2 > > peaks at around 15-20MB/sec, and eSATA is around > > 25-30MB/sec (max) > > > > With LTO4 - if you are copying from a single disk, then the > > limitation > > will be the source, not the destination. Likewise with > > restores, you'll > > probably be bottlenecked by the target if it's a single > > spindle. > > > > Cheers > > Ken > > > > -----Original Message----- > > From: Sam Cayze [mailto:[email protected]] > > Sent: Wednesday, 16 September 2009 1:41 PM > > To: NT System Admin Issues > > Subject: RE: Disk based backup > > > > Wow! Had no idea. I've been on eSATA drives for years > > now, ditched > > tapes for the speed and reliability. > > Ken, do the restore speeds also show this type of > > performance? Because > > ultimately that's what matters, right. > > > > -----Original Message----- > > From: Ken Schaefer [mailto:[email protected]] > > Sent: Tuesday, September 15, 2009 10:36 PM > > To: NT System Admin Issues > > Subject: RE: Disk based backup > > > > USB connected drives are way too slow. LTO4 alone should > > get you 5x-6x > > the speed of a USB connected drive (YMMV) > > > > Cheers > > Ken > > > > -----Original Message----- > > From: Benjamin Zachary - Lists [mailto:[email protected]] > > Sent: Wednesday, 16 September 2009 9:14 AM > > To: NT System Admin Issues > > Subject: RE: Disk based backup > > > > Why not just take some external drives and mount them in > > whatever you > > use (BEX/UB etc) and rotate the drives. > > > > At 79 bucks for a 1TB SATA, or 89 for a USB version, you > > could do a 5 > > day rotation for 2 weeks for 900 dollars if you can get the > > data on 1tb. > > > > > > If you want to be more involved do the backups with deltas > > so you only > > do changes throughout the week and should be good. With the > > drives being > > so fast restoring through 3-4 usb drives isn't really a big > > deal, not > > like waiting 30 mins for cataloging a tape.. > > > > ~ Finally, powerful endpoint security that ISN'T a resource > > hog! ~ ~ > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> > > ~ > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource > > hog! ~ ~ > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> > > ~ > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource > > hog! ~ ~ > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> > > ~ > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource > > hog! ~ > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> > > ~ > > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
