Re: [BackupPC-users] some questions...

2006-12-27 Thread Carl Wilhelm Soderstrom
On 12/28 05:22 , Michael Mansour wrote:
> Maybe this is an idea for someone to create a live cd for backuppc running 
> on knoppix?

not really a big need, so long as you understand the tools involved. you
should just need to do an 'apt-get update; apt-get install backuppc' to
install the software to the ramdrive, then link the existing pool into the
appropriate location on the ramdrive, where backuppc is expecting the pool
to be.

I haven't actually tried this (tho I suppose I should); but I see no reason
it shouldn't work.

at the very least, you can use BackupPC_tarCreate to do the restores instead
of the web interface, and as a very last resort there is always
BackupPC_zcat to recover the contents of files from the pool.

an idiot-disk for recovering machines might be a good thing on a commercial
product; but I don't know if it would be a worthwhile investment of time for
this project.

-- 
Carl Soderstrom
Systems Administrator
Real-Time Enterprises
www.real-time.com

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Re: [BackupPC-users] some questions...

2006-12-27 Thread Michael Mansour
Hi,

> > if the data drive fails, then you have the OS drive to use to recover 
your
> > data (if possible); or at least to quickly set up the new data drive.
> >
> > if the OS drive fails, you put in a new drive, boot with knoppix, install
> > backuppc to knoppix's ramdrive, and restore your OS drive from backup.

Maybe this is an idea for someone to create a live cd for backuppc running 
on knoppix?

Michael.


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Re: [BackupPC-users] some questions...

2006-12-22 Thread Jim McNamara
I've had particularly good results from the 3ware 9500 series 4port
controllers. They run about $325 US dollars. I work with a company
that archives massive amouts of video data, and before a client is
ready for the 15 SATA NAS, you can get spectacular results out of a 4
port with PCI interface. They do have PCI(X) as well if speed is an
issue.

I have built at least 10 boxes with these guys running a raid 5 array,
and the 3 drive failures I have seen were always handled beautifully
by the controller, and rebuilt without any problem.

And no, I am not an employee or partner of 3ware!

Peace,
Jim

On 12/22/06, Brausse, Renke <[EMAIL PROTECTED]> wrote:
> > seriously, get a 3ware controller; you'll never want a box without one
> > again. even a 2-port one is $130 well-spent, even on a home machine.
>
> though it sounds like advertising, Carl is perfectly right...
>
> Mit freundlichen Grüßen,
> Renke Brausse
>
> --
> iOMEDICO AG
> Hanferstraße 28
> 79108 Freiburg
>
> Tel.:+49 (0)761/15242-21
> Fax.:+49 (0)761/15242-10
>
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Re: [BackupPC-users] some questions...

2006-12-22 Thread Brausse, Renke
> seriously, get a 3ware controller; you'll never want a box without one
> again. even a 2-port one is $130 well-spent, even on a home machine.

though it sounds like advertising, Carl is perfectly right...

Mit freundlichen Grüßen,
Renke Brausse

--
iOMEDICO AG
Hanferstraße 28
79108 Freiburg

Tel.:+49 (0)761/15242-21
Fax.:+49 (0)761/15242-10-
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Re: [BackupPC-users] some questions...

2006-12-22 Thread Carl Wilhelm Soderstrom
On 12/22 10:07 , Filipe wrote:
> Nice clarification. I think I will do this way.
> And I think there's no reason for a 3ware controler. if i have to opt 
> for RAID I would use the raid on the board via sata raid.

onboard 'raid' that you get on motherboards isn't really hardware RAID. it's
just sorta-kinda hardware RAID. It's mostly done in software with a special
driver, and doesn't have the management capabilities that 3ware controllers
do. a 3ware controller will export what looks like a SCSI disk to the OS;
and is far faster than the firmware 'raid' bits that you see on
motherboards.

if you get a 3ware controller, you  can use their '3dm' tool to monitor the
controller through a web interface, do hardware tests, fail a drive, rebuild
the array, and best of all, it will send you mail alerts about things
happening. 

seriously, get a 3ware controller; you'll never want a box without one
again. even a 2-port one is $130 well-spent, even on a home machine.

-- 
Carl Soderstrom
Systems Administrator
Real-Time Enterprises
www.real-time.com

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Re: [BackupPC-users] some questions...

2006-12-22 Thread Filipe

Carl Wilhelm Soderstrom escreveu:

On 12/20 01:14 , Filipe wrote:
  

Carl Wilhelm Soderstrom escreveu:


On 12/19 07:17 , Filipe wrote:
  
  
Using Backuppc (debian) successfully  in my company for about 5 months, 
backing up 6 winXX shares using samba.

The machine is a simple Pentium 4 with a 40GB HD that is getting full.
Already ordered a 250GB ata100 hd. but I'm not sure what to do...
should I use the 250Gb for the data only, or just replace the hd's using 
ghost?!



move the contents of /var/lib/backuppc (or whereever your data pool is) to
the new drive, and then mount the new drive on /var/lib/backuppc. It's a
very good idea to have your data on a separate drive from the OS. At the
very least, use a separate partition on disk. 


also, I would suggest using LVM on the data partition/disk. this will allow
you to add space much more easily in the future; or move your data to
another disk.

  
  

thanks...
but if I have 2 drives like that, what should I do if one fails?



if the data drive fails, then you have the OS drive to use to recover your
data (if possible); or at least to quickly set up the new data drive.

if the OS drive fails, you put in a new drive, boot with knoppix, install
backuppc to knoppix's ramdrive, and restore your OS drive from backup.

it *is* best to have a redundant drive array in any situation. for buisness
use, a 3ware RAID controller will more than pay for itself the first time
you have a drive problem.


  

Nice clarification. I think I will do this way.
And I think there's no reason for a 3ware controler. if i have to opt 
for RAID I would use the raid on the board via sata raid.

we use it on our mailserver but it wasn't  installed by me.
thanks. I have one more issue that iI will post on a new thread..
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Re: [BackupPC-users] some questions...

2006-12-21 Thread Michael 'Moose' Dinn
> that's the theory. your caveats are noteworthy tho; I've been bitten by
> them, and that's one of the reasons I don't like software RAID. with a 3ware
> controller, there's no worry about the bootability of whichever drive is
> left in the array.

You also need to set a partition as active and reinstall LILO, and rewrite the
boot sector of the new drive. Doing this ensures both drives are bootable.


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Re: [BackupPC-users] some questions...

2006-12-21 Thread Les Mikesell
On Thu, 2006-12-21 at 10:37 -0600, Carl Wilhelm Soderstrom wrote:

> > It really is as simple as an fdisk and mdadm command for the case
> > where it isn't a boot drive and the other mirror member is still
> > good.  
> 
> that's the theory. your caveats are noteworthy tho; I've been bitten by
> them, and that's one of the reasons I don't like software RAID. with a 3ware
> controller, there's no worry about the bootability of whichever drive is
> left in the array.

Booting from software raid is a special case in that it really just uses
one member so there are some quirks about getting the boot loader
installed
on both drives and configured to match the bios concept of which drive
it is. My approach here is to not worry about it as a special case but
keep a boot/install CD around to fix things after the fact like you
would any other problem that requires a re-install of grub.  The
tradeoff
is that the drives can be moved to any PC with standard controller or
stuck in an external USB/firewire case.  I haven't tried that with
a disk pulled out of a 3ware set but I'd be surprised if it works.

In any case, I like to have the backuppc archive on its own separate
partition and it usually takes the whole disk so booting from raid is
really a different issue.

-- 
  Les Mikesell
   [EMAIL PROTECTED]



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Re: [BackupPC-users] some questions...

2006-12-21 Thread Carl Wilhelm Soderstrom
On 12/21 10:20 , Les Mikesell wrote:
> It really is as simple as an fdisk and mdadm command for the case
> where it isn't a boot drive and the other mirror member is still
> good.  

that's the theory. your caveats are noteworthy tho; I've been bitten by
them, and that's one of the reasons I don't like software RAID. with a 3ware
controller, there's no worry about the bootability of whichever drive is
left in the array.

> For a permanent replacement, there is no need to wait for anything.

we consider it good policy to wait for the drives to sync, and do a test
reboot, before leaving the customer premises. the reboot is important, as it
often shows up problems you didn't notice, or put off until 'after this next
command'.

> You can use the machine normally while the sync happens and it
> takes care of itself when finished.  

yep.

-- 
Carl Soderstrom
Systems Administrator
Real-Time Enterprises
www.real-time.com

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Re: [BackupPC-users] some questions...

2006-12-21 Thread Les Mikesell
On Thu, 2006-12-21 at 08:38 -0600, Carl Wilhelm Soderstrom wrote:

> > I agree that 3ware controllers are good hardware and worth the money,
> > but I suspect you are comparing the time of swapping an internal
> > drive vs. a swappable cage here.  It's not that hard to type
> > an fdisk command followed by an mdadm --add command.   
> 
> no, I'm actually not. it sounds like one of those things that's simple; but
> somehow always ends up taking a lot longer than you expect. At least, that's
> my real-world experience with the process. 

It really is as simple as an fdisk and mdadm command for the case
where it isn't a boot drive and the other mirror member is still
good.  If you have hot-swap scsi's you can do without shutting
down with an extra command or two to re-probe the scsi bus, but
for backuppc we are probably talking big IDE drives and a shutdown
anyway.

> it's noteworthy that I'm in a consulting environment, rather than being a
> full-time admin for one company. so going off to do something else
> productive while the drives are sync'ing, or a long command is running, is
> not always an option. 

For a permanent replacement, there is no need to wait for anything.
You can use the machine normally while the sync happens and it
takes care of itself when finished.  You probably don't want something
as intense as backuppc running actively but if it is during the
blackout period it shouldn't hurt to let it start up.  I sync my
external drive with everything active, then stop backuppc and unmount
the raid momentarily while I fail and remove the external member but
that is just so the filesystem will be clean on the drive when removed.

-- 
  Les Mikesell
   [EMAIL PROTECTED]



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Re: [BackupPC-users] some questions...

2006-12-21 Thread Carl Wilhelm Soderstrom
On 12/21 08:25 , Les Mikesell wrote:
> I agree that 3ware controllers are good hardware and worth the money,
> but I suspect you are comparing the time of swapping an internal
> drive vs. a swappable cage here.  It's not that hard to type
> an fdisk command followed by an mdadm --add command.   

no, I'm actually not. it sounds like one of those things that's simple; but
somehow always ends up taking a lot longer than you expect. At least, that's
my real-world experience with the process. 

it's noteworthy that I'm in a consulting environment, rather than being a
full-time admin for one company. so going off to do something else
productive while the drives are sync'ing, or a long command is running, is
not always an option. 

-- 
Carl Soderstrom
Systems Administrator
Real-Time Enterprises
www.real-time.com

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Re: [BackupPC-users] some questions...

2006-12-21 Thread Les Mikesell
Carl Wilhelm Soderstrom wrote:
> On 12/21 07:52 , Les Mikesell wrote:
>> Linux RAID1 mirrors work nicely too, and can actually mirror over
>> more than two drives.  
> 
> we've had mediocre experiences with linux software RAID at work, and I've
> had mediocre experiences with it at home. it works; but sometimes the box
> falls over anyway when a drive fails, and it's a decent amount of trouble to
> get the array rebuilt after you replace the drive. I usually figure on an
> hour of labor to do that, once its all said and done. Considering that labor
> is usually upwards of $150/hr, and a 2-port 3ware controller is $130; it's
> pretty simple math to figure out which is better. 
> 
> we've had nothing but good luck with the dozens of 3ware controllers that we
> have in service. I heartily recommend them to everyone.

I agree that 3ware controllers are good hardware and worth the money,
but I suspect you are comparing the time of swapping an internal
drive vs. a swappable cage here.  It's not that hard to type
an fdisk command followed by an mdadm --add command.   Many/most
IDE controllers do lock up when one of the drives fails with certain
failure modes - this can be a problem especially if your boot drive
is there.   Scsi tends to fail more gracefully.

-- 
   Les Mikesell
[EMAIL PROTECTED]




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Re: [BackupPC-users] some questions...

2006-12-21 Thread Carl Wilhelm Soderstrom
On 12/21 07:52 , Les Mikesell wrote:
> Linux RAID1 mirrors work nicely too, and can actually mirror over
> more than two drives.  

we've had mediocre experiences with linux software RAID at work, and I've
had mediocre experiences with it at home. it works; but sometimes the box
falls over anyway when a drive fails, and it's a decent amount of trouble to
get the array rebuilt after you replace the drive. I usually figure on an
hour of labor to do that, once its all said and done. Considering that labor
is usually upwards of $150/hr, and a 2-port 3ware controller is $130; it's
pretty simple math to figure out which is better. 

we've had nothing but good luck with the dozens of 3ware controllers that we
have in service. I heartily recommend them to everyone.

-- 
Carl Soderstrom
Systems Administrator
Real-Time Enterprises
www.real-time.com

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Re: [BackupPC-users] some questions...

2006-12-21 Thread Les Mikesell
Carl Wilhelm Soderstrom wrote:

>> thanks...
>> but if I have 2 drives like that, what should I do if one fails?
> 
> if the data drive fails, then you have the OS drive to use to recover your
> data (if possible); or at least to quickly set up the new data drive.
> 
> if the OS drive fails, you put in a new drive, boot with knoppix, install
> backuppc to knoppix's ramdrive, and restore your OS drive from backup.
> 
> it *is* best to have a redundant drive array in any situation. for buisness
> use, a 3ware RAID controller will more than pay for itself the first time
> you have a drive problem.

Linux RAID1 mirrors work nicely too, and can actually mirror over
more than two drives.  I use 2 internal 250 gig drives and once
a week add a matching external firewire drive and let it sync, which
takes a couple of hours, then swap it offsite.  I keep a laptop
with backuppc installed for quick access to the external drive. There
might be a better way to do this with LVM now but this approach should
work up to the 750 gig drives that are available now.

-- 
   Les Mikesell
 [EMAIL PROTECTED]


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Re: [BackupPC-users] some questions...

2006-12-21 Thread Carl Wilhelm Soderstrom
On 12/20 01:14 , Filipe wrote:
> Carl Wilhelm Soderstrom escreveu:
> > On 12/19 07:17 , Filipe wrote:
> >   
> >> Using Backuppc (debian) successfully  in my company for about 5 months, 
> >> backing up 6 winXX shares using samba.
> >> The machine is a simple Pentium 4 with a 40GB HD that is getting full.
> >> Already ordered a 250GB ata100 hd. but I'm not sure what to do...
> >> should I use the 250Gb for the data only, or just replace the hd's using 
> >> ghost?!
> >> 
> >
> > move the contents of /var/lib/backuppc (or whereever your data pool is) to
> > the new drive, and then mount the new drive on /var/lib/backuppc. It's a
> > very good idea to have your data on a separate drive from the OS. At the
> > very least, use a separate partition on disk. 
> >
> > also, I would suggest using LVM on the data partition/disk. this will allow
> > you to add space much more easily in the future; or move your data to
> > another disk.
> >
> >   
> 
> thanks...
> but if I have 2 drives like that, what should I do if one fails?

if the data drive fails, then you have the OS drive to use to recover your
data (if possible); or at least to quickly set up the new data drive.

if the OS drive fails, you put in a new drive, boot with knoppix, install
backuppc to knoppix's ramdrive, and restore your OS drive from backup.

it *is* best to have a redundant drive array in any situation. for buisness
use, a 3ware RAID controller will more than pay for itself the first time
you have a drive problem.


-- 
Carl Soderstrom
Systems Administrator
Real-Time Enterprises
www.real-time.com

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Re: [BackupPC-users] some questions...

2006-12-20 Thread Filipe

Carl Wilhelm Soderstrom escreveu:

On 12/19 07:17 , Filipe wrote:
  
Using Backuppc (debian) successfully  in my company for about 5 months, 
backing up 6 winXX shares using samba.

The machine is a simple Pentium 4 with a 40GB HD that is getting full.
Already ordered a 250GB ata100 hd. but I'm not sure what to do...
should I use the 250Gb for the data only, or just replace the hd's using 
ghost?!



move the contents of /var/lib/backuppc (or whereever your data pool is) to
the new drive, and then mount the new drive on /var/lib/backuppc. It's a
very good idea to have your data on a separate drive from the OS. At the
very least, use a separate partition on disk. 


also, I would suggest using LVM on the data partition/disk. this will allow
you to add space much more easily in the future; or move your data to
another disk.

  

the error when archiving was this

Error: /usr/bin/par2 is not an executable program
Archive failed: Error: /usr/bin/par2 is not an executable program

resolved with apt-get install par2.

now I can make archives it was more easy than I thought...
The problem is that I use windows on desktop and the options to archive are 
only gzip or bzip2. what is the better one for me?
and what is that parity option? I tested once and it created some .par2 files...

for now, I will only need to archive to dvd... don't know if I could use the 
DAT 24 that is on a unix machine for this... it would be nice...




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Re: [BackupPC-users] some questions...

2006-12-19 Thread Carl Wilhelm Soderstrom
On 12/19 07:17 , Filipe wrote:
> Using Backuppc (debian) successfully  in my company for about 5 months, 
> backing up 6 winXX shares using samba.
> The machine is a simple Pentium 4 with a 40GB HD that is getting full.
> Already ordered a 250GB ata100 hd. but I'm not sure what to do...
> should I use the 250Gb for the data only, or just replace the hd's using 
> ghost?!

move the contents of /var/lib/backuppc (or whereever your data pool is) to
the new drive, and then mount the new drive on /var/lib/backuppc. It's a
very good idea to have your data on a separate drive from the OS. At the
very least, use a separate partition on disk. 

also, I would suggest using LVM on the data partition/disk. this will allow
you to add space much more easily in the future; or move your data to
another disk.

-- 
Carl Soderstrom
Systems Administrator
Real-Time Enterprises
www.real-time.com

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[BackupPC-users] some questions...

2006-12-19 Thread Filipe
Hi.

Using Backuppc (debian) successfully  in my company for about 5 months, 
backing up 6 winXX shares using samba.
The machine is a simple Pentium 4 with a 40GB HD that is getting full.
Already ordered a 250GB ata100 hd. but I'm not sure what to do...
should I use the 250Gb for the data only, or just replace the hd's using 
ghost?!


Other thing that I didnt know how to do is to make a backup to record to 
DVD.
Most of the hosts are backed up 2 times a day, and it has 
xfermethod=smb, I can't put in here archive, right? how can I archive a 
backup to dvd?!
cause I will need to make permanent backups to archive to DVD in the end 
of the year...

btw, is it possible to backup thought ftp?, or mount an ftp ?!, it is a 
local machine, IBM AIX that does not have NFS installed and I don't want 
to mess in there...

and the email summary... I am trying to configure exim4 to sendmail by a 
smarthost but it is getting tricky... sometimes sends email other don't..
but these emails I send are with manual command mail  or sendmail ...
I didn't get how I can configure backuppc to email-me if a backup fails...

I hope you understand my bad english :)
Thanks a LOT!

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