RB1100AH 41MB HDD Storage (Instead of 512mb)

lsjohnson2 · Sat Jan 14, 2012 11:22 pm

My Company just recently bought a RB1100AH with the assumption that it has 512mb on-board NAND memory Chip. However ours out of the box it states it only has 41.7MB. We have upgraded it to ROS 5.11 and Firmware 2.38. What is it that we are doing wrong?

uptime: 1d22h9m3s
version: 5.11
free-memory: 1504380KiB
total-memory: 1555216KiB
cpu: e500v2
cpu-count: 1
cpu-frequency: 1066MHz
cpu-load: 20%
free-hdd-space: 4KiB
total-hdd-space: 41768KiB
architecture-name: powerpc
board-name: RB1100AH
platform: MikroTik

Thanks,
Logan

Mon Jan 16, 2012 8:50 am

with the assumption that it has 512mb

RouterBOARDs are coupled with enough NAND to run RouterOS unless specified otherwise.

it states it only has 41.7MB

yes, that's normal for this model

marekm · Mon Jan 16, 2012 2:44 pm

this is not specified anywhere, so you should not assume such things. RouterBOARDs are coupled with enough NAND to run RouterOS unless specified otherwise.

http://routerboard.com/pdf/353/rb1100ug.pdf - page 4:

Storage Device
The device is equipped with one 512MB NAND nonvolatile memory chip.

NAND flash is cheap, one would expect more of it in a high-end device. Even the RB1100AHx2 has only 41MB, not much for things like logs, metarouters etc.

Mon Jan 16, 2012 3:04 pm

metarouters

metarouter is not supported in this device, see metarouter manual

http://routerboard.com/pdf/353/rb1100ug.pdf - page 4:

that manual is for all three devices, RB1100, RB1100AH, RB1100AHx2. That sentence lacked specifics so we edited it now.

Wazza · Mon Jan 16, 2012 3:41 pm

Hang on, are you saying that Metarouters are not supported on the RB1100AH???

http://wiki.mikrotik.com/wiki/Manual:Metarouter

Seems to indicate that it is supported. (RB1100AHx2 is not listed.)

No doubt, a bit more NAND / Flash space would be useful for the supported boards.

I've specifically purchased several RB1100AH's to run metarouters (there have been a few issues, but so far everything is okay, not great, okay)...

Thanks,

Wazza

Mon Jan 16, 2012 3:43 pm

sorry misunderstood you, I meant the RB1100AHx2

RB1100AHx2 is not listed

not listed means not supported.

It will work fine on your RB1100AH and the space is more than enough to run RouterOS metarouters (RouterOS metarouter images don't use any space, they use files from the host system)

marekm · Wed Jan 18, 2012 3:53 am

Any chance the RB1100AHx2 will support metarouter in the future, like the x1 does? The winbox menu option is there (unlike RB1200), but any attempt to create it fails with "not enough resources". Ideally, make it possible to use micro-sd card for storage, if the router itself has so little NAND flash (why, much smaller and cheaper RB450G could have 512MB). Dual core seems better for virtualization, could save a physical box to run freeradius etc. With so much free RAM, if there was enough storage, it should be possible to run as a guest even a full Debian, not just OpenWRT.

Wed Jan 18, 2012 9:09 am

Currently it is not supported because of the different hardware (multicore and such), it's possible we will add support in the future, but can't say for sure at this point.

scampbell · Fri Mar 02, 2012 1:01 am

this is not specified anywhere, so you should not assume such things. RouterBOARDs are coupled with enough NAND to run RouterOS unless specified otherwise.
http://routerboard.com/pdf/353/rb1100ug.pdf - page 4:

Storage Device
The device is equipped with one 512MB NAND nonvolatile memory chip.

Coming back on topic, the specification for the RB1100AH clearly states it is fitted with a 512MB NAND yet the System Store in Winbox shows only 41MB Total.

I have checked on an RB1100AH running RoS 5.14, FW 2.39.

Why is this please ?

Fri Mar 02, 2012 8:06 am

Coming back on topic, the specification for the RB1100AH clearly states it is fitted with a 512MB NAND yet the System Store in Winbox shows only 41MB Total.

I have checked on an RB1100AH running RoS 5.14, FW 2.39.

Why is this please ?

where does it say that? you are quoting an old manual, for the previous model.

bakkerl · Fri Mar 02, 2012 10:36 am

Coming back on topic, the specification for the RB1100AH clearly states it is fitted with a 512MB NAND yet the System Store in Winbox shows only 41MB Total.

I have checked on an RB1100AH running RoS 5.14, FW 2.39.

Why is this please ?
where does it say that? you are quoting an old manual, for the previous model.

A previous model? My RB1100AH shows the 512..

[bakkerl@MikroTik] /system resource> print 
                   uptime: 3w6d6h3m45s
                  version: 5.12
              free-memory: 1422132KiB
             total-memory: 1555424KiB
                      cpu: e500v2
                cpu-count: 1
            cpu-frequency: 1066MHz
                 cpu-load: 5%
           free-hdd-space: 479500KiB
          total-hdd-space: 520192KiB
  write-sect-since-reboot: 613
         write-sect-total: 53389
               bad-blocks: 0%
        architecture-name: powerpc
               board-name: RB1100AH
                 platform: MikroTik
[bakkerl@MikroTik] /system resource>

Fri Mar 02, 2012 11:04 am

Why don't you simply accept the fact that new RB1100AH/x2 don't have 512MB NAND, and that we will try to make it bigger in the future, ok?

bakkerl · Fri Mar 02, 2012 3:39 pm

Why don't you simply accept the fact that new RB1100AH/x2 don't have 512MB NAND, and that we will try to make it bigger in the future, ok?

It is nice to know that the 'old' 1100AH had 512 and the 'new' 1100AH got less.
In my example i use the 1100AH mostly to run meta routers. So the less storage space is a nice to know before you buy issue.

And so the 41MB isn't that normal as you say in http://forum.mikrotik.com/viewtopic.php ... 21#p299021

rmichael · Fri Mar 02, 2012 3:49 pm

Here's the problem I have with Mikrotik:

1) nowhere in the brochure or any distributor (strakwave/roc-noc/balticnetworks) site states that it's limited to only 41.7MB NAND storage, if fact neither AH or AHx2 brochures state the size of NAND
2) It's advertised as "extreme performance" vs RB1200 "affordable device" which has got 64MB (based of the info from the brochure)
3) Until recently it was said that it supported 8 MetaRouters

scampbell · Fri Mar 02, 2012 10:35 pm

Coming back on topic, the specification for the RB1100AH clearly states it is fitted with a 512MB NAND yet the System Store in Winbox shows only 41MB Total.

I have checked on an RB1100AH running RoS 5.14, FW 2.39.

Why is this please ?
where does it say that? you are quoting an old manual, for the previous model.

Here is the info I was using and the latest pdf http://routerboard.com/pdf/348/RB1100AH.pdf from your website is identical except suddenly no NAND value specified. Has there been an issue with the NAND chips I wonder ?

If indeed my info is for an old RB1100AH then the new one should be listed as a Rev2 on the brochure (and actual product) and specify current NAND amount as we need that info for our customers.

And to make matters worse the same RB1100AH won't work reliably with a microSD card !! The microSD dissappears when you do a soft reboot. Only a hard power cycle will bring it back. Tested on Ros 5.14/FW2.39 on 2 x RB493G and 2 x RB1100AH Rev2(LOL).

A shame the RB1100 has less NAND than an RB493G (128MB) or RB450G (512MB NAND - for now).

Mon Mar 05, 2012 8:24 am

Product was replaced by a new one, brochure was updated because of it. CPU was also changed, as was motherboard design.

rmichael · Mon Mar 05, 2012 3:16 pm

Product was replaced by a new one, brochure was updated because of it.

Was it intentional for the updated brochure not to list nand storage capacity? It seems that many who purchased the revised RB1100AH did not expect it to be only 41.7MB

Mon Mar 05, 2012 3:24 pm

Some times, based on stock changes, we might introduce a bigger NAND than 42MB to some devices. As the NAND size isn't a big factor for running RouterOS, we decided to not show it, as this could vary sometimes. Of course we could include the minimum, but most router manufacturers don't list their NAND size anywhere. Always assume that "Enough" NAND is installed to run RouterOS.

lahoras · Tue Mar 06, 2012 2:50 pm

Normis, all your answers are clear, it is true, you have edited all the datasheets, none now says which is the size of the NAND, anyway, you should definitely relive special subject have degraded the product, I always had full confidence in the Mikrotik company and this action is disappointing.

ARIEL

roc-noc.com · Mon Mar 12, 2012 7:10 pm

I understand why people are concerned. ROS has been growing in size over time. The RB1100 family is supposed to the best that Mikrotik offers.

Yet, this is the least amount of Flash that I have seen on a RouterBoard since I started using them in 2005. Back then the standard was 64MB. Then as RouterBoards evolved, we began seeing 128, 256 and 512MB as total flash.

The new RB1100AH and x2 do have a Samsung 64MB Flash chip on board. All I can guess is that it is not fully decoded. The engineers didn't have enough address selects available so they made do with available resources and we ended up with 41.7MB.

Granted, the new RB1100AH came in $100 less than last year's model. But this type of penny pinching seems a bit careless. Especially if you can't fit Dude and other advanced packages on board.

Tom

elpamyelhsa · Fri Apr 24, 2020 6:51 am

My Company just recently bought a RB1100AH with the assumption that it has 512mb on-board NAND memory Chip. However ours out of the box it states it only has 41.7MB. We have upgraded it to ROS 5.11 and Firmware 2.38. What is it that we are doing wrong?

uptime: 1d22h9m3s
version: 5.11
free-memory: 1504380KiB
total-memory: 1555216KiB
cpu: e500v2
cpu-count: 1
cpu-frequency: 1066MHz
cpu-load: 20%
free-hdd-space: 4KiB
total-hdd-space: 41768KiB
architecture-name: powerpc
board-name: RB1100AH
platform: MikroTik

Thanks,
Logan

Just In case anyone else sees this post and doesn't notice the 4KiB free space on this RB100AHx2, yes this is a bug and can be safely resolved with a patch from Mikrotik.

Info: viewtopic.php?f=21&t=133420&start=350#p671674
Patch: https://www.mikrotik.com/download/share/fix_space.npk
- upload package to your router;
- run /system reboot

It looks like an extra upgrade package is hidden in the file system that needs removing
The script seems to run
if [ "$bootimage" != "1" ]; then rm -f /flash/bootimage;

RB1100AH 41MB HDD Storage (Instead of 512mb)

RB1100AH 41MB HDD Storage (Instead of 512mb)

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